Home / 9,136,048.80-13,687,484.40-7,443,991.20

Finding the Fourth Proportional to 9,136,048.80, 13,687,484.40 and 7,443,991.20

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Solution

The fourth proportional to 9,136,048.80, 13,687,484.40 and 7,443,991.20 is: 11,152,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136,048.80 : 13,687,484.40 = 7,443,991.20 : x
  2. Step 2: Convert to fraction form
    9,136,048.80/13,687,484.40 = 7,443,991.20/x
  3. Step 3: Cross multiply
    9,136,048.80x = 13,687,484.40 × 7,443,991.20
  4. Step 4: Simplify right side
    9,136,048.80x = 101,889,513,423,737.28
  5. Step 5: Solve for x
    x = 101,889,513,423,737.28/9,136,048.80
  6. Step 6: Final answer
    x = 11,152,470.36

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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.