Home / 6,513,501.66-8,988,664.95-3,612,690.78

Finding the Fourth Proportional to 6,513,501.66, 8,988,664.95 and 3,612,690.78

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Solution

The fourth proportional to 6,513,501.66, 8,988,664.95 and 3,612,690.78 is: 4,985,531.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513,501.66 : 8,988,664.95 = 3,612,690.78 : x
  2. Step 2: Convert to fraction form
    6,513,501.66/8,988,664.95 = 3,612,690.78/x
  3. Step 3: Cross multiply
    6,513,501.66x = 8,988,664.95 × 3,612,690.78
  4. Step 4: Simplify right side
    6,513,501.66x = 32,473,266,989,374.16
  5. Step 5: Solve for x
    x = 32,473,266,989,374.16/6,513,501.66
  6. Step 6: Final answer
    x = 4,985,531.39

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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.