Home / 7,947,678.15-11,923,294.50-2,898,988.65

Finding the Fourth Proportional to 7,947,678.15, 11,923,294.50 and 2,898,988.65

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Solution

The fourth proportional to 7,947,678.15, 11,923,294.50 and 2,898,988.65 is: 4,349,131.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,947,678.15 : 11,923,294.50 = 2,898,988.65 : x
  2. Step 2: Convert to fraction form
    7,947,678.15/11,923,294.50 = 2,898,988.65/x
  3. Step 3: Cross multiply
    7,947,678.15x = 11,923,294.50 × 2,898,988.65
  4. Step 4: Simplify right side
    7,947,678.15x = 34,565,495,426,107.43
  5. Step 5: Solve for x
    x = 34,565,495,426,107.43/7,947,678.15
  6. Step 6: Final answer
    x = 4,349,131.25

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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.