Home / 9,178,574.80-13,767,862.20-6,642,331.60

Finding the Fourth Proportional to 9,178,574.80, 13,767,862.20 and 6,642,331.60

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Solution

The fourth proportional to 9,178,574.80, 13,767,862.20 and 6,642,331.60 is: 9,963,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178,574.80 : 13,767,862.20 = 6,642,331.60 : x
  2. Step 2: Convert to fraction form
    9,178,574.80/13,767,862.20 = 6,642,331.60/x
  3. Step 3: Cross multiply
    9,178,574.80x = 13,767,862.20 × 6,642,331.60
  4. Step 4: Simplify right side
    9,178,574.80x = 91,450,706,155,505.52
  5. Step 5: Solve for x
    x = 91,450,706,155,505.52/9,178,574.80
  6. Step 6: Final answer
    x = 9,963,497.40

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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.