Home / 39,087,182.86-58,592,642.10-18,611,402.65

Finding the Fourth Proportional to 39,087,182.86, 58,592,642.10 and 18,611,402.65

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Solution

The fourth proportional to 39,087,182.86, 58,592,642.10 and 18,611,402.65 is: 27,898,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,087,182.86 : 58,592,642.10 = 18,611,402.65 : x
  2. Step 2: Convert to fraction form
    39,087,182.86/58,592,642.10 = 18,611,402.65/x
  3. Step 3: Cross multiply
    39,087,182.86x = 58,592,642.10 × 18,611,402.65
  4. Step 4: Simplify right side
    39,087,182.86x = 1,090,491,254,668,439.88
  5. Step 5: Solve for x
    x = 1,090,491,254,668,439.88/39,087,182.86
  6. Step 6: Final answer
    x = 27,898,947.30

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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.