Home / 7,918,334.10-11,877,501.15-7,005,042.90

Finding the Fourth Proportional to 7,918,334.10, 11,877,501.15 and 7,005,042.90

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Solution

The fourth proportional to 7,918,334.10, 11,877,501.15 and 7,005,042.90 is: 10,507,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918,334.10 : 11,877,501.15 = 7,005,042.90 : x
  2. Step 2: Convert to fraction form
    7,918,334.10/11,877,501.15 = 7,005,042.90/x
  3. Step 3: Cross multiply
    7,918,334.10x = 11,877,501.15 × 7,005,042.90
  4. Step 4: Simplify right side
    7,918,334.10x = 83,202,405,100,549.34
  5. Step 5: Solve for x
    x = 83,202,405,100,549.34/7,918,334.10
  6. Step 6: Final answer
    x = 10,507,564.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.