Home / 15,807,111.38-21,813,850.22-8,838,037.30

Finding the Fourth Proportional to 15,807,111.38, 21,813,850.22 and 8,838,037.30

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Solution

The fourth proportional to 15,807,111.38, 21,813,850.22 and 8,838,037.30 is: 12,196,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807,111.38 : 21,813,850.22 = 8,838,037.30 : x
  2. Step 2: Convert to fraction form
    15,807,111.38/21,813,850.22 = 8,838,037.30/x
  3. Step 3: Cross multiply
    15,807,111.38x = 21,813,850.22 × 8,838,037.30
  4. Step 4: Simplify right side
    15,807,111.38x = 192,791,621,900,973.22
  5. Step 5: Solve for x
    x = 192,791,621,900,973.22/15,807,111.38
  6. Step 6: Final answer
    x = 12,196,511.89

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1.5x scale

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.