Home / 14,258,538.40-21,387,807.60-8,589,834.40

Finding the Fourth Proportional to 14,258,538.40, 21,387,807.60 and 8,589,834.40

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Solution

The fourth proportional to 14,258,538.40, 21,387,807.60 and 8,589,834.40 is: 12,884,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,258,538.40 : 21,387,807.60 = 8,589,834.40 : x
  2. Step 2: Convert to fraction form
    14,258,538.40/21,387,807.60 = 8,589,834.40/x
  3. Step 3: Cross multiply
    14,258,538.40x = 21,387,807.60 × 8,589,834.40
  4. Step 4: Simplify right side
    14,258,538.40x = 183,717,725,463,061.47
  5. Step 5: Solve for x
    x = 183,717,725,463,061.47/14,258,538.40
  6. Step 6: Final answer
    x = 12,884,751.60

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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.