Home / 13,756,139.04-20,614,654.56-10,133,417.28

Finding the Fourth Proportional to 13,756,139.04, 20,614,654.56 and 10,133,417.28

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Solution

The fourth proportional to 13,756,139.04, 20,614,654.56 and 10,133,417.28 is: 15,185,721.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756,139.04 : 20,614,654.56 = 10,133,417.28 : x
  2. Step 2: Convert to fraction form
    13,756,139.04/20,614,654.56 = 10,133,417.28/x
  3. Step 3: Cross multiply
    13,756,139.04x = 20,614,654.56 × 10,133,417.28
  4. Step 4: Simplify right side
    13,756,139.04x = 208,896,896,739,534.78
  5. Step 5: Solve for x
    x = 208,896,896,739,534.78/13,756,139.04
  6. Step 6: Final answer
    x = 15,185,721.53

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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.