Home / 31,829,118.57-47,709,686.10-18,152,816.58

Finding the Fourth Proportional to 31,829,118.57, 47,709,686.10 and 18,152,816.58

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Solution

The fourth proportional to 31,829,118.57, 47,709,686.10 and 18,152,816.58 is: 27,209,838.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829,118.57 : 47,709,686.10 = 18,152,816.58 : x
  2. Step 2: Convert to fraction form
    31,829,118.57/47,709,686.10 = 18,152,816.58/x
  3. Step 3: Cross multiply
    31,829,118.57x = 47,709,686.10 × 18,152,816.58
  4. Step 4: Simplify right side
    31,829,118.57x = 866,065,180,862,675.50
  5. Step 5: Solve for x
    x = 866,065,180,862,675.50/31,829,118.57
  6. Step 6: Final answer
    x = 27,209,838.66

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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.