Home / 47,780,802.74-65,935,608.57-28,207,996.08

Finding the Fourth Proportional to 47,780,802.74, 65,935,608.57 and 28,207,996.08

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Solution

The fourth proportional to 47,780,802.74, 65,935,608.57 and 28,207,996.08 is: 38,925,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,780,802.74 : 65,935,608.57 = 28,207,996.08 : x
  2. Step 2: Convert to fraction form
    47,780,802.74/65,935,608.57 = 28,207,996.08/x
  3. Step 3: Cross multiply
    47,780,802.74x = 65,935,608.57 × 28,207,996.08
  4. Step 4: Simplify right side
    47,780,802.74x = 1,859,911,388,074,974.25
  5. Step 5: Solve for x
    x = 1,859,911,388,074,974.25/47,780,802.74
  6. Step 6: Final answer
    x = 38,925,913.37

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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.