Home / 8,700,632.81-13,050,866.08-5,289,861.12

Finding the Fourth Proportional to 8,700,632.81, 13,050,866.08 and 5,289,861.12

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Solution

The fourth proportional to 8,700,632.81, 13,050,866.08 and 5,289,861.12 is: 7,934,741.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700,632.81 : 13,050,866.08 = 5,289,861.12 : x
  2. Step 2: Convert to fraction form
    8,700,632.81/13,050,866.08 = 5,289,861.12/x
  3. Step 3: Cross multiply
    8,700,632.81x = 13,050,866.08 × 5,289,861.12
  4. Step 4: Simplify right side
    8,700,632.81x = 69,037,269,058,918.81
  5. Step 5: Solve for x
    x = 69,037,269,058,918.81/8,700,632.81
  6. Step 6: Final answer
    x = 7,934,741.14

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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.