Home / 10,786,945.60-16,159,423.20-6,514,422.40

Finding the Fourth Proportional to 10,786,945.60, 16,159,423.20 and 6,514,422.40

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Solution

The fourth proportional to 10,786,945.60, 16,159,423.20 and 6,514,422.40 is: 9,758,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786,945.60 : 16,159,423.20 = 6,514,422.40 : x
  2. Step 2: Convert to fraction form
    10,786,945.60/16,159,423.20 = 6,514,422.40/x
  3. Step 3: Cross multiply
    10,786,945.60x = 16,159,423.20 × 6,514,422.40
  4. Step 4: Simplify right side
    10,786,945.60x = 105,269,308,465,159.69
  5. Step 5: Solve for x
    x = 105,269,308,465,159.69/10,786,945.60
  6. Step 6: Final answer
    x = 9,758,954.24

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1.5x scale

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.