Home / 31,884,919.40-47,834,967.66-10,319,521.16

Finding the Fourth Proportional to 31,884,919.40, 47,834,967.66 and 10,319,521.16

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Solution

The fourth proportional to 31,884,919.40, 47,834,967.66 and 10,319,521.16 is: 15,481,737.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,884,919.40 : 47,834,967.66 = 10,319,521.16 : x
  2. Step 2: Convert to fraction form
    31,884,919.40/47,834,967.66 = 10,319,521.16/x
  3. Step 3: Cross multiply
    31,884,919.40x = 47,834,967.66 × 10,319,521.16
  4. Step 4: Simplify right side
    31,884,919.40x = 493,633,960,955,285.62
  5. Step 5: Solve for x
    x = 493,633,960,955,285.62/31,884,919.40
  6. Step 6: Final answer
    x = 15,481,737.77

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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.