Home / 51,220,307.97-70,685,708.13-28,015,434.18

Finding the Fourth Proportional to 51,220,307.97, 70,685,708.13 and 28,015,434.18

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Solution

The fourth proportional to 51,220,307.97, 70,685,708.13 and 28,015,434.18 is: 38,662,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,220,307.97 : 70,685,708.13 = 28,015,434.18 : x
  2. Step 2: Convert to fraction form
    51,220,307.97/70,685,708.13 = 28,015,434.18/x
  3. Step 3: Cross multiply
    51,220,307.97x = 70,685,708.13 × 28,015,434.18
  4. Step 4: Simplify right side
    51,220,307.97x = 1,980,290,803,582,705.75
  5. Step 5: Solve for x
    x = 1,980,290,803,582,705.75/51,220,307.97
  6. Step 6: Final answer
    x = 38,662,219.77

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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.