Home / 12,547,010.96-18,821,416.02-5,253,130.86

Finding the Fourth Proportional to 12,547,010.96, 18,821,416.02 and 5,253,130.86

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Solution

The fourth proportional to 12,547,010.96, 18,821,416.02 and 5,253,130.86 is: 7,880,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,010.96 : 18,821,416.02 = 5,253,130.86 : x
  2. Step 2: Convert to fraction form
    12,547,010.96/18,821,416.02 = 5,253,130.86/x
  3. Step 3: Cross multiply
    12,547,010.96x = 18,821,416.02 × 5,253,130.86
  4. Step 4: Simplify right side
    12,547,010.96x = 98,871,361,303,861.14
  5. Step 5: Solve for x
    x = 98,871,361,303,861.14/12,547,010.96
  6. Step 6: Final answer
    x = 7,880,072.92

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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.