Home / 21,548,079.16-29,736,980.20-11,759,154.10

Finding the Fourth Proportional to 21,548,079.16, 29,736,980.20 and 11,759,154.10

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Solution

The fourth proportional to 21,548,079.16, 29,736,980.20 and 11,759,154.10 is: 16,227,976.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548,079.16 : 29,736,980.20 = 11,759,154.10 : x
  2. Step 2: Convert to fraction form
    21,548,079.16/29,736,980.20 = 11,759,154.10/x
  3. Step 3: Cross multiply
    21,548,079.16x = 29,736,980.20 × 11,759,154.10
  4. Step 4: Simplify right side
    21,548,079.16x = 349,681,732,640,448.81
  5. Step 5: Solve for x
    x = 349,681,732,640,448.81/21,548,079.16
  6. Step 6: Final answer
    x = 16,227,976.98

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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.