Home / 31,624,304.40-47,341,978.20-18,838,227.60

Finding the Fourth Proportional to 31,624,304.40, 47,341,978.20 and 18,838,227.60

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Solution

The fourth proportional to 31,624,304.40, 47,341,978.20 and 18,838,227.60 is: 28,201,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,624,304.40 : 47,341,978.20 = 18,838,227.60 : x
  2. Step 2: Convert to fraction form
    31,624,304.40/47,341,978.20 = 18,838,227.60/x
  3. Step 3: Cross multiply
    31,624,304.40x = 47,341,978.20 × 18,838,227.60
  4. Step 4: Simplify right side
    31,624,304.40x = 891,838,960,365,838.50
  5. Step 5: Solve for x
    x = 891,838,960,365,838.50/31,624,304.40
  6. Step 6: Final answer
    x = 28,201,061.72

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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.