Home / 9,758,443.80-13,466,731.50-5,407,602.78

Finding the Fourth Proportional to 9,758,443.80, 13,466,731.50 and 5,407,602.78

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Solution

The fourth proportional to 9,758,443.80, 13,466,731.50 and 5,407,602.78 is: 7,462,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,758,443.80 : 13,466,731.50 = 5,407,602.78 : x
  2. Step 2: Convert to fraction form
    9,758,443.80/13,466,731.50 = 5,407,602.78/x
  3. Step 3: Cross multiply
    9,758,443.80x = 13,466,731.50 × 5,407,602.78
  4. Step 4: Simplify right side
    9,758,443.80x = 72,822,734,696,913.58
  5. Step 5: Solve for x
    x = 72,822,734,696,913.58/9,758,443.80
  6. Step 6: Final answer
    x = 7,462,535.64

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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.