Home / 15,553,655.20-23,289,658.80-10,980,006.40

Finding the Fourth Proportional to 15,553,655.20, 23,289,658.80 and 10,980,006.40

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Solution

The fourth proportional to 15,553,655.20, 23,289,658.80 and 10,980,006.40 is: 16,441,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,553,655.20 : 23,289,658.80 = 10,980,006.40 : x
  2. Step 2: Convert to fraction form
    15,553,655.20/23,289,658.80 = 10,980,006.40/x
  3. Step 3: Cross multiply
    15,553,655.20x = 23,289,658.80 × 10,980,006.40
  4. Step 4: Simplify right side
    15,553,655.20x = 255,720,602,677,816.34
  5. Step 5: Solve for x
    x = 255,720,602,677,816.34/15,553,655.20
  6. Step 6: Final answer
    x = 16,441,190.15

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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.