Home / 8,938,689.60-13,415,032.80-4,146,972.60

Finding the Fourth Proportional to 8,938,689.60, 13,415,032.80 and 4,146,972.60

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Solution

The fourth proportional to 8,938,689.60, 13,415,032.80 and 4,146,972.60 is: 6,223,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938,689.60 : 13,415,032.80 = 4,146,972.60 : x
  2. Step 2: Convert to fraction form
    8,938,689.60/13,415,032.80 = 4,146,972.60/x
  3. Step 3: Cross multiply
    8,938,689.60x = 13,415,032.80 × 4,146,972.60
  4. Step 4: Simplify right side
    8,938,689.60x = 55,631,773,449,701.28
  5. Step 5: Solve for x
    x = 55,631,773,449,701.28/8,938,689.60
  6. Step 6: Final answer
    x = 6,223,705.70

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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.