Home / 9,720,824.80-14,581,237.20-8,161,931.20

Finding the Fourth Proportional to 9,720,824.80, 14,581,237.20 and 8,161,931.20

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Solution

The fourth proportional to 9,720,824.80, 14,581,237.20 and 8,161,931.20 is: 12,242,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,720,824.80 : 14,581,237.20 = 8,161,931.20 : x
  2. Step 2: Convert to fraction form
    9,720,824.80/14,581,237.20 = 8,161,931.20/x
  3. Step 3: Cross multiply
    9,720,824.80x = 14,581,237.20 × 8,161,931.20
  4. Step 4: Simplify right side
    9,720,824.80x = 119,011,054,837,280.64
  5. Step 5: Solve for x
    x = 119,011,054,837,280.64/9,720,824.80
  6. Step 6: Final answer
    x = 12,242,896.80

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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.