Home / 13,029,772.80-17,973,615.88-8,126,482.20

Finding the Fourth Proportional to 13,029,772.80, 17,973,615.88 and 8,126,482.20

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Solution

The fourth proportional to 13,029,772.80, 17,973,615.88 and 8,126,482.20 is: 11,209,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,029,772.80 : 17,973,615.88 = 8,126,482.20 : x
  2. Step 2: Convert to fraction form
    13,029,772.80/17,973,615.88 = 8,126,482.20/x
  3. Step 3: Cross multiply
    13,029,772.80x = 17,973,615.88 × 8,126,482.20
  4. Step 4: Simplify right side
    13,029,772.80x = 146,062,269,518,457.34
  5. Step 5: Solve for x
    x = 146,062,269,518,457.34/13,029,772.80
  6. Step 6: Final answer
    x = 11,209,886.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.