Home / 10,447,742.50-15,631,066.54-9,158,653.62

Finding the Fourth Proportional to 10,447,742.50, 15,631,066.54 and 9,158,653.62

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Solution

The fourth proportional to 10,447,742.50, 15,631,066.54 and 9,158,653.62 is: 13,702,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,447,742.50 : 15,631,066.54 = 9,158,653.62 : x
  2. Step 2: Convert to fraction form
    10,447,742.50/15,631,066.54 = 9,158,653.62/x
  3. Step 3: Cross multiply
    10,447,742.50x = 15,631,066.54 × 9,158,653.62
  4. Step 4: Simplify right side
    10,447,742.50x = 143,159,524,151,031.84
  5. Step 5: Solve for x
    x = 143,159,524,151,031.84/10,447,742.50
  6. Step 6: Final answer
    x = 13,702,436.11

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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.