Home / 15,631,730.60-21,572,984.95-9,835,480.76

Finding the Fourth Proportional to 15,631,730.60, 21,572,984.95 and 9,835,480.76

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Solution

The fourth proportional to 15,631,730.60, 21,572,984.95 and 9,835,480.76 is: 13,573,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631,730.60 : 21,572,984.95 = 9,835,480.76 : x
  2. Step 2: Convert to fraction form
    15,631,730.60/21,572,984.95 = 9,835,480.76/x
  3. Step 3: Cross multiply
    15,631,730.60x = 21,572,984.95 × 9,835,480.76
  4. Step 4: Simplify right side
    15,631,730.60x = 212,180,678,279,040.97
  5. Step 5: Solve for x
    x = 212,180,678,279,040.97/15,631,730.60
  6. Step 6: Final answer
    x = 13,573,716.42

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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.