Home / 31,935,312.40-47,902,276.95-8,905,632.43

Finding the Fourth Proportional to 31,935,312.40, 47,902,276.95 and 8,905,632.43

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Solution

The fourth proportional to 31,935,312.40, 47,902,276.95 and 8,905,632.43 is: 13,358,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935,312.40 : 47,902,276.95 = 8,905,632.43 : x
  2. Step 2: Convert to fraction form
    31,935,312.40/47,902,276.95 = 8,905,632.43/x
  3. Step 3: Cross multiply
    31,935,312.40x = 47,902,276.95 × 8,905,632.43
  4. Step 4: Simplify right side
    31,935,312.40x = 426,600,071,076,761.50
  5. Step 5: Solve for x
    x = 426,600,071,076,761.50/31,935,312.40
  6. Step 6: Final answer
    x = 13,358,255.77

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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.