Home / 31,426,366.16-47,141,541.44-9,861,818.78

Finding the Fourth Proportional to 31,426,366.16, 47,141,541.44 and 9,861,818.78

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Solution

The fourth proportional to 31,426,366.16, 47,141,541.44 and 9,861,818.78 is: 14,793,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,426,366.16 : 47,141,541.44 = 9,861,818.78 : x
  2. Step 2: Convert to fraction form
    31,426,366.16/47,141,541.44 = 9,861,818.78/x
  3. Step 3: Cross multiply
    31,426,366.16x = 47,141,541.44 × 9,861,818.78
  4. Step 4: Simplify right side
    31,426,366.16x = 464,901,338,796,666.81
  5. Step 5: Solve for x
    x = 464,901,338,796,666.81/31,426,366.16
  6. Step 6: Final answer
    x = 14,793,353.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.