Home / 12,547,020.44-18,821,430.20-5,253,140.34

Finding the Fourth Proportional to 12,547,020.44, 18,821,430.20 and 5,253,140.34

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Solution

The fourth proportional to 12,547,020.44, 18,821,430.20 and 5,253,140.34 is: 7,880,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,020.44 : 18,821,430.20 = 5,253,140.34 : x
  2. Step 2: Convert to fraction form
    12,547,020.44/18,821,430.20 = 5,253,140.34/x
  3. Step 3: Cross multiply
    12,547,020.44x = 18,821,430.20 × 5,253,140.34
  4. Step 4: Simplify right side
    12,547,020.44x = 98,871,614,253,247.12
  5. Step 5: Solve for x
    x = 98,871,614,253,247.12/12,547,020.44
  6. Step 6: Final answer
    x = 7,880,087.13

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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.