Home / 10,371,611.70-15,557,417.55-2,798,565.30

Finding the Fourth Proportional to 10,371,611.70, 15,557,417.55 and 2,798,565.30

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Solution

The fourth proportional to 10,371,611.70, 15,557,417.55 and 2,798,565.30 is: 4,197,847.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,371,611.70 : 15,557,417.55 = 2,798,565.30 : x
  2. Step 2: Convert to fraction form
    10,371,611.70/15,557,417.55 = 2,798,565.30/x
  3. Step 3: Cross multiply
    10,371,611.70x = 15,557,417.55 × 2,798,565.30
  4. Step 4: Simplify right side
    10,371,611.70x = 43,538,448,913,041.02
  5. Step 5: Solve for x
    x = 43,538,448,913,041.02/10,371,611.70
  6. Step 6: Final answer
    x = 4,197,847.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.