Home / 8,625,878.40-12,938,817.60-2,642,246.40

Finding the Fourth Proportional to 8,625,878.40, 12,938,817.60 and 2,642,246.40

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Solution

The fourth proportional to 8,625,878.40, 12,938,817.60 and 2,642,246.40 is: 3,963,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,878.40 : 12,938,817.60 = 2,642,246.40 : x
  2. Step 2: Convert to fraction form
    8,625,878.40/12,938,817.60 = 2,642,246.40/x
  3. Step 3: Cross multiply
    8,625,878.40x = 12,938,817.60 × 2,642,246.40
  4. Step 4: Simplify right side
    8,625,878.40x = 34,187,544,223,856.64
  5. Step 5: Solve for x
    x = 34,187,544,223,856.64/8,625,878.40
  6. Step 6: Final answer
    x = 3,963,369.60

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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.