Home / 21,323,511.28-29,426,448.93-11,533,951.18

Finding the Fourth Proportional to 21,323,511.28, 29,426,448.93 and 11,533,951.18

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Solution

The fourth proportional to 21,323,511.28, 29,426,448.93 and 11,533,951.18 is: 15,916,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,511.28 : 29,426,448.93 = 11,533,951.18 : x
  2. Step 2: Convert to fraction form
    21,323,511.28/29,426,448.93 = 11,533,951.18/x
  3. Step 3: Cross multiply
    21,323,511.28x = 29,426,448.93 × 11,533,951.18
  4. Step 4: Simplify right side
    21,323,511.28x = 339,403,225,301,713.50
  5. Step 5: Solve for x
    x = 339,403,225,301,713.50/21,323,511.28
  6. Step 6: Final answer
    x = 15,916,854.45

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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.