Home / 13,205,616.34-18,222,066.98-7,697,613.10

Finding the Fourth Proportional to 13,205,616.34, 18,222,066.98 and 7,697,613.10

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Solution

The fourth proportional to 13,205,616.34, 18,222,066.98 and 7,697,613.10 is: 10,621,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,616.34 : 18,222,066.98 = 7,697,613.10 : x
  2. Step 2: Convert to fraction form
    13,205,616.34/18,222,066.98 = 7,697,613.10/x
  3. Step 3: Cross multiply
    13,205,616.34x = 18,222,066.98 × 7,697,613.10
  4. Step 4: Simplify right side
    13,205,616.34x = 140,266,421,494,325.44
  5. Step 5: Solve for x
    x = 140,266,421,494,325.44/13,205,616.34
  6. Step 6: Final answer
    x = 10,621,724.72

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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.