Home / 38,089,915.27-52,564,391.91-20,686,385.07

Finding the Fourth Proportional to 38,089,915.27, 52,564,391.91 and 20,686,385.07

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Solution

The fourth proportional to 38,089,915.27, 52,564,391.91 and 20,686,385.07 is: 28,547,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,089,915.27 : 52,564,391.91 = 20,686,385.07 : x
  2. Step 2: Convert to fraction form
    38,089,915.27/52,564,391.91 = 20,686,385.07/x
  3. Step 3: Cross multiply
    38,089,915.27x = 52,564,391.91 × 20,686,385.07
  4. Step 4: Simplify right side
    38,089,915.27x = 1,087,367,252,020,652.75
  5. Step 5: Solve for x
    x = 1,087,367,252,020,652.75/38,089,915.27
  6. Step 6: Final answer
    x = 28,547,379.13

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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.