Home / 7,781,888.22-10,661,137.20-7,490,881.32

Finding the Fourth Proportional to 7,781,888.22, 10,661,137.20 and 7,490,881.32

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Solution

The fourth proportional to 7,781,888.22, 10,661,137.20 and 7,490,881.32 is: 10,262,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,888.22 : 10,661,137.20 = 7,490,881.32 : x
  2. Step 2: Convert to fraction form
    7,781,888.22/10,661,137.20 = 7,490,881.32/x
  3. Step 3: Cross multiply
    7,781,888.22x = 10,661,137.20 × 7,490,881.32
  4. Step 4: Simplify right side
    7,781,888.22x = 79,861,313,501,437.11
  5. Step 5: Solve for x
    x = 79,861,313,501,437.11/7,781,888.22
  6. Step 6: Final answer
    x = 10,262,459.60

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.