Home / 13,656,426.90-18,845,646.18-7,461,340.28

Finding the Fourth Proportional to 13,656,426.90, 18,845,646.18 and 7,461,340.28

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Solution

The fourth proportional to 13,656,426.90, 18,845,646.18 and 7,461,340.28 is: 10,296,527.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,656,426.90 : 18,845,646.18 = 7,461,340.28 : x
  2. Step 2: Convert to fraction form
    13,656,426.90/18,845,646.18 = 7,461,340.28/x
  3. Step 3: Cross multiply
    13,656,426.90x = 18,845,646.18 × 7,461,340.28
  4. Step 4: Simplify right side
    13,656,426.90x = 140,613,778,851,233.91
  5. Step 5: Solve for x
    x = 140,613,778,851,233.91/13,656,426.90
  6. Step 6: Final answer
    x = 10,296,527.77

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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.