Home / 31,439,313.27-47,158,966.26-8,720,210.52

Finding the Fourth Proportional to 31,439,313.27, 47,158,966.26 and 8,720,210.52

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Solution

The fourth proportional to 31,439,313.27, 47,158,966.26 and 8,720,210.52 is: 13,080,314.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,439,313.27 : 47,158,966.26 = 8,720,210.52 : x
  2. Step 2: Convert to fraction form
    31,439,313.27/47,158,966.26 = 8,720,210.52/x
  3. Step 3: Cross multiply
    31,439,313.27x = 47,158,966.26 × 8,720,210.52
  4. Step 4: Simplify right side
    31,439,313.27x = 411,236,113,692,777
  5. Step 5: Solve for x
    x = 411,236,113,692,777/31,439,313.27
  6. Step 6: Final answer
    x = 13,080,314.77

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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.