Home / 31,536,019.40-47,304,029.10-8,816,880.20

Finding the Fourth Proportional to 31,536,019.40, 47,304,029.10 and 8,816,880.20

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Solution

The fourth proportional to 31,536,019.40, 47,304,029.10 and 8,816,880.20 is: 13,225,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,536,019.40 : 47,304,029.10 = 8,816,880.20 : x
  2. Step 2: Convert to fraction form
    31,536,019.40/47,304,029.10 = 8,816,880.20/x
  3. Step 3: Cross multiply
    31,536,019.40x = 47,304,029.10 × 8,816,880.20
  4. Step 4: Simplify right side
    31,536,019.40x = 417,073,957,552,013.81
  5. Step 5: Solve for x
    x = 417,073,957,552,013.81/31,536,019.40
  6. Step 6: Final answer
    x = 13,225,320.30

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1.5x scale

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.