Home / 8,539,020.60-12,741,463.02-8,017,855.40

Finding the Fourth Proportional to 8,539,020.60, 12,741,463.02 and 8,017,855.40

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Solution

The fourth proportional to 8,539,020.60, 12,741,463.02 and 8,017,855.40 is: 11,963,808.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539,020.60 : 12,741,463.02 = 8,017,855.40 : x
  2. Step 2: Convert to fraction form
    8,539,020.60/12,741,463.02 = 8,017,855.40/x
  3. Step 3: Cross multiply
    8,539,020.60x = 12,741,463.02 × 8,017,855.40
  4. Step 4: Simplify right side
    8,539,020.60x = 102,159,208,078,807.31
  5. Step 5: Solve for x
    x = 102,159,208,078,807.31/8,539,020.60
  6. Step 6: Final answer
    x = 11,963,808.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.