Home / 31,574,006.40-47,361,011.40-7,639,478.40

Finding the Fourth Proportional to 31,574,006.40, 47,361,011.40 and 7,639,478.40

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Solution

The fourth proportional to 31,574,006.40, 47,361,011.40 and 7,639,478.40 is: 11,459,218.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,574,006.40 : 47,361,011.40 = 7,639,478.40 : x
  2. Step 2: Convert to fraction form
    31,574,006.40/47,361,011.40 = 7,639,478.40/x
  3. Step 3: Cross multiply
    31,574,006.40x = 47,361,011.40 × 7,639,478.40
  4. Step 4: Simplify right side
    31,574,006.40x = 361,813,423,592,453.75
  5. Step 5: Solve for x
    x = 361,813,423,592,453.75/31,574,006.40
  6. Step 6: Final answer
    x = 11,459,218.04

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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.