Home / 8,471,528.40-12,706,063.80-2,487,272.40

Finding the Fourth Proportional to 8,471,528.40, 12,706,063.80 and 2,487,272.40

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Solution

The fourth proportional to 8,471,528.40, 12,706,063.80 and 2,487,272.40 is: 3,730,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471,528.40 : 12,706,063.80 = 2,487,272.40 : x
  2. Step 2: Convert to fraction form
    8,471,528.40/12,706,063.80 = 2,487,272.40/x
  3. Step 3: Cross multiply
    8,471,528.40x = 12,706,063.80 × 2,487,272.40
  4. Step 4: Simplify right side
    8,471,528.40x = 31,603,441,802,379.12
  5. Step 5: Solve for x
    x = 31,603,441,802,379.12/8,471,528.40
  6. Step 6: Final answer
    x = 3,730,547.82

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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.