Home / 19,890,545.72-29,835,826.86-8,947,954.03

Finding the Fourth Proportional to 19,890,545.72, 29,835,826.86 and 8,947,954.03

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Solution

The fourth proportional to 19,890,545.72, 29,835,826.86 and 8,947,954.03 is: 13,421,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890,545.72 : 29,835,826.86 = 8,947,954.03 : x
  2. Step 2: Convert to fraction form
    19,890,545.72/29,835,826.86 = 8,947,954.03/x
  3. Step 3: Cross multiply
    19,890,545.72x = 29,835,826.86 × 8,947,954.03
  4. Step 4: Simplify right side
    19,890,545.72x = 266,969,607,041,140.12
  5. Step 5: Solve for x
    x = 266,969,607,041,140.12/19,890,545.72
  6. Step 6: Final answer
    x = 13,421,934.77

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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.