Home / 38,090,188.59-52,564,768.88-20,686,658.28

Finding the Fourth Proportional to 38,090,188.59, 52,564,768.88 and 20,686,658.28

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Solution

The fourth proportional to 38,090,188.59, 52,564,768.88 and 20,686,658.28 is: 28,547,756.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,090,188.59 : 52,564,768.88 = 20,686,658.28 : x
  2. Step 2: Convert to fraction form
    38,090,188.59/52,564,768.88 = 20,686,658.28/x
  3. Step 3: Cross multiply
    38,090,188.59x = 52,564,768.88 × 20,686,658.28
  4. Step 4: Simplify right side
    38,090,188.59x = 1,087,389,411,387,738.50
  5. Step 5: Solve for x
    x = 1,087,389,411,387,738.50/38,090,188.59
  6. Step 6: Final answer
    x = 28,547,756.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.