Home / 13,225,061.80-19,813,098.30-7,528,364.20

Finding the Fourth Proportional to 13,225,061.80, 19,813,098.30 and 7,528,364.20

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Solution

The fourth proportional to 13,225,061.80, 19,813,098.30 and 7,528,364.20 is: 11,278,602.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,225,061.80 : 19,813,098.30 = 7,528,364.20 : x
  2. Step 2: Convert to fraction form
    13,225,061.80/19,813,098.30 = 7,528,364.20/x
  3. Step 3: Cross multiply
    13,225,061.80x = 19,813,098.30 × 7,528,364.20
  4. Step 4: Simplify right side
    13,225,061.80x = 149,160,219,932,800.88
  5. Step 5: Solve for x
    x = 149,160,219,932,800.88/13,225,061.80
  6. Step 6: Final answer
    x = 11,278,602.87

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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.