Home / 7,781,798.28-10,739,062.71-4,881,311.40

Finding the Fourth Proportional to 7,781,798.28, 10,739,062.71 and 4,881,311.40

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Solution

The fourth proportional to 7,781,798.28, 10,739,062.71 and 4,881,311.40 is: 6,736,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,781,798.28 : 10,739,062.71 = 4,881,311.40 : x
  2. Step 2: Convert to fraction form
    7,781,798.28/10,739,062.71 = 4,881,311.40/x
  3. Step 3: Cross multiply
    7,781,798.28x = 10,739,062.71 × 4,881,311.40
  4. Step 4: Simplify right side
    7,781,798.28x = 52,420,709,231,637.91
  5. Step 5: Solve for x
    x = 52,420,709,231,637.91/7,781,798.28
  6. Step 6: Final answer
    x = 6,736,323.32

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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.