Home / 12,157,549.27-16,775,774.53-6,931,231.63

Finding the Fourth Proportional to 12,157,549.27, 16,775,774.53 and 6,931,231.63

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Solution

The fourth proportional to 12,157,549.27, 16,775,774.53 and 6,931,231.63 is: 9,564,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,157,549.27 : 16,775,774.53 = 6,931,231.63 : x
  2. Step 2: Convert to fraction form
    12,157,549.27/16,775,774.53 = 6,931,231.63/x
  3. Step 3: Cross multiply
    12,157,549.27x = 16,775,774.53 × 6,931,231.63
  4. Step 4: Simplify right side
    12,157,549.27x = 116,276,779,040,084.38
  5. Step 5: Solve for x
    x = 116,276,779,040,084.38/12,157,549.27
  6. Step 6: Final answer
    x = 9,564,162.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.