Home / 12,480,950.40-18,700,430.40-10,675,363.20

Finding the Fourth Proportional to 12,480,950.40, 18,700,430.40 and 10,675,363.20

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Solution

The fourth proportional to 12,480,950.40, 18,700,430.40 and 10,675,363.20 is: 15,995,086.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,480,950.40 : 18,700,430.40 = 10,675,363.20 : x
  2. Step 2: Convert to fraction form
    12,480,950.40/18,700,430.40 = 10,675,363.20/x
  3. Step 3: Cross multiply
    12,480,950.40x = 18,700,430.40 × 10,675,363.20
  4. Step 4: Simplify right side
    12,480,950.40x = 199,633,886,516,321.25
  5. Step 5: Solve for x
    x = 199,633,886,516,321.25/12,480,950.40
  6. Step 6: Final answer
    x = 15,995,086.92

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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.