Home / 10,779,342.80-16,169,014.20-9,716,460.80

Finding the Fourth Proportional to 10,779,342.80, 16,169,014.20 and 9,716,460.80

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Solution

The fourth proportional to 10,779,342.80, 16,169,014.20 and 9,716,460.80 is: 14,574,691.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779,342.80 : 16,169,014.20 = 9,716,460.80 : x
  2. Step 2: Convert to fraction form
    10,779,342.80/16,169,014.20 = 9,716,460.80/x
  3. Step 3: Cross multiply
    10,779,342.80x = 16,169,014.20 × 9,716,460.80
  4. Step 4: Simplify right side
    10,779,342.80x = 157,105,592,648,943.38
  5. Step 5: Solve for x
    x = 157,105,592,648,943.38/10,779,342.80
  6. Step 6: Final answer
    x = 14,574,691.20

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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.