Home / 28,514,421.40-42,771,632.10-17,177,013.40

Finding the Fourth Proportional to 28,514,421.40, 42,771,632.10 and 17,177,013.40

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Solution

The fourth proportional to 28,514,421.40, 42,771,632.10 and 17,177,013.40 is: 25,765,520.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,421.40 : 42,771,632.10 = 17,177,013.40 : x
  2. Step 2: Convert to fraction form
    28,514,421.40/42,771,632.10 = 17,177,013.40/x
  3. Step 3: Cross multiply
    28,514,421.40x = 42,771,632.10 × 17,177,013.40
  4. Step 4: Simplify right side
    28,514,421.40x = 734,688,897,721,570.12
  5. Step 5: Solve for x
    x = 734,688,897,721,570.12/28,514,421.40
  6. Step 6: Final answer
    x = 25,765,520.10

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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.