Home / 13,713,256.80-18,924,507.09-7,518,869.28

Finding the Fourth Proportional to 13,713,256.80, 18,924,507.09 and 7,518,869.28

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Solution

The fourth proportional to 13,713,256.80, 18,924,507.09 and 7,518,869.28 is: 10,376,156.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713,256.80 : 18,924,507.09 = 7,518,869.28 : x
  2. Step 2: Convert to fraction form
    13,713,256.80/18,924,507.09 = 7,518,869.28/x
  3. Step 3: Cross multiply
    13,713,256.80x = 18,924,507.09 × 7,518,869.28
  4. Step 4: Simplify right side
    13,713,256.80x = 142,290,894,998,143.19
  5. Step 5: Solve for x
    x = 142,290,894,998,143.19/13,713,256.80
  6. Step 6: Final answer
    x = 10,376,156.23

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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.