Home / 15,725,129.59-21,697,088.52-8,847,102.07

Finding the Fourth Proportional to 15,725,129.59, 21,697,088.52 and 8,847,102.07

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Solution

The fourth proportional to 15,725,129.59, 21,697,088.52 and 8,847,102.07 is: 12,206,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725,129.59 : 21,697,088.52 = 8,847,102.07 : x
  2. Step 2: Convert to fraction form
    15,725,129.59/21,697,088.52 = 8,847,102.07/x
  3. Step 3: Cross multiply
    15,725,129.59x = 21,697,088.52 × 8,847,102.07
  4. Step 4: Simplify right side
    15,725,129.59x = 191,956,356,758,265.25
  5. Step 5: Solve for x
    x = 191,956,356,758,265.25/15,725,129.59
  6. Step 6: Final answer
    x = 12,206,980.91

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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.