Home / 13,739,787.60-20,609,681.40-4,765,246.80

Finding the Fourth Proportional to 13,739,787.60, 20,609,681.40 and 4,765,246.80

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Solution

The fourth proportional to 13,739,787.60, 20,609,681.40 and 4,765,246.80 is: 7,147,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,739,787.60 : 20,609,681.40 = 4,765,246.80 : x
  2. Step 2: Convert to fraction form
    13,739,787.60/20,609,681.40 = 4,765,246.80/x
  3. Step 3: Cross multiply
    13,739,787.60x = 20,609,681.40 × 4,765,246.80
  4. Step 4: Simplify right side
    13,739,787.60x = 98,210,218,340,369.52
  5. Step 5: Solve for x
    x = 98,210,218,340,369.52/13,739,787.60
  6. Step 6: Final answer
    x = 7,147,870.20

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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.