Home / 18,701,467.80-28,052,201.70-9,724,853.40

Finding the Fourth Proportional to 18,701,467.80, 28,052,201.70 and 9,724,853.40

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Solution

The fourth proportional to 18,701,467.80, 28,052,201.70 and 9,724,853.40 is: 14,587,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,701,467.80 : 28,052,201.70 = 9,724,853.40 : x
  2. Step 2: Convert to fraction form
    18,701,467.80/28,052,201.70 = 9,724,853.40/x
  3. Step 3: Cross multiply
    18,701,467.80x = 28,052,201.70 × 9,724,853.40
  4. Step 4: Simplify right side
    18,701,467.80x = 272,803,549,079,730.78
  5. Step 5: Solve for x
    x = 272,803,549,079,730.78/18,701,467.80
  6. Step 6: Final answer
    x = 14,587,280.10

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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.