Home / 12,812,335.02-17,681,369.67-7,850,690.55

Finding the Fourth Proportional to 12,812,335.02, 17,681,369.67 and 7,850,690.55

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Solution

The fourth proportional to 12,812,335.02, 17,681,369.67 and 7,850,690.55 is: 10,834,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,812,335.02 : 17,681,369.67 = 7,850,690.55 : x
  2. Step 2: Convert to fraction form
    12,812,335.02/17,681,369.67 = 7,850,690.55/x
  3. Step 3: Cross multiply
    12,812,335.02x = 17,681,369.67 × 7,850,690.55
  4. Step 4: Simplify right side
    12,812,335.02x = 138,810,961,779,325.62
  5. Step 5: Solve for x
    x = 138,810,961,779,325.62/12,812,335.02
  6. Step 6: Final answer
    x = 10,834,165.79

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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.