Home / 10,116,144.16-15,184,910.80-9,887,690.40

Finding the Fourth Proportional to 10,116,144.16, 15,184,910.80 and 9,887,690.40

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Solution

The fourth proportional to 10,116,144.16, 15,184,910.80 and 9,887,690.40 is: 14,841,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,116,144.16 : 15,184,910.80 = 9,887,690.40 : x
  2. Step 2: Convert to fraction form
    10,116,144.16/15,184,910.80 = 9,887,690.40/x
  3. Step 3: Cross multiply
    10,116,144.16x = 15,184,910.80 × 9,887,690.40
  4. Step 4: Simplify right side
    10,116,144.16x = 150,143,696,742,016.34
  5. Step 5: Solve for x
    x = 150,143,696,742,016.34/10,116,144.16
  6. Step 6: Final answer
    x = 14,841,988.64

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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.