Home / 8,352,040.90-12,528,061.35-7,854,376.90

Finding the Fourth Proportional to 8,352,040.90, 12,528,061.35 and 7,854,376.90

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Solution

The fourth proportional to 8,352,040.90, 12,528,061.35 and 7,854,376.90 is: 11,781,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352,040.90 : 12,528,061.35 = 7,854,376.90 : x
  2. Step 2: Convert to fraction form
    8,352,040.90/12,528,061.35 = 7,854,376.90/x
  3. Step 3: Cross multiply
    8,352,040.90x = 12,528,061.35 × 7,854,376.90
  4. Step 4: Simplify right side
    8,352,040.90x = 98,400,115,669,222.81
  5. Step 5: Solve for x
    x = 98,400,115,669,222.81/8,352,040.90
  6. Step 6: Final answer
    x = 11,781,565.35

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Similar ratio
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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.