Home / 15,670,254.08-21,624,995.64-8,700,946.70

Finding the Fourth Proportional to 15,670,254.08, 21,624,995.64 and 8,700,946.70

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Solution

The fourth proportional to 15,670,254.08, 21,624,995.64 and 8,700,946.70 is: 12,007,331.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670,254.08 : 21,624,995.64 = 8,700,946.70 : x
  2. Step 2: Convert to fraction form
    15,670,254.08/21,624,995.64 = 8,700,946.70/x
  3. Step 3: Cross multiply
    15,670,254.08x = 21,624,995.64 × 8,700,946.70
  4. Step 4: Simplify right side
    15,670,254.08x = 188,157,934,451,372.38
  5. Step 5: Solve for x
    x = 188,157,934,451,372.38/15,670,254.08
  6. Step 6: Final answer
    x = 12,007,331.44

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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.