Home / 13,361,528.80-18,439,124.07-7,249,957.30

Finding the Fourth Proportional to 13,361,528.80, 18,439,124.07 and 7,249,957.30

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Solution

The fourth proportional to 13,361,528.80, 18,439,124.07 and 7,249,957.30 is: 10,005,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361,528.80 : 18,439,124.07 = 7,249,957.30 : x
  2. Step 2: Convert to fraction form
    13,361,528.80/18,439,124.07 = 7,249,957.30/x
  3. Step 3: Cross multiply
    13,361,528.80x = 18,439,124.07 × 7,249,957.30
  4. Step 4: Simplify right side
    13,361,528.80x = 133,682,862,156,902.20
  5. Step 5: Solve for x
    x = 133,682,862,156,902.20/13,361,528.80
  6. Step 6: Final answer
    x = 10,005,057.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.