Home / 6,430,603.55-8,862,000.06-6,312,424.75

Finding the Fourth Proportional to 6,430,603.55, 8,862,000.06 and 6,312,424.75

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Solution

The fourth proportional to 6,430,603.55, 8,862,000.06 and 6,312,424.75 is: 8,699,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430,603.55 : 8,862,000.06 = 6,312,424.75 : x
  2. Step 2: Convert to fraction form
    6,430,603.55/8,862,000.06 = 6,312,424.75/x
  3. Step 3: Cross multiply
    6,430,603.55x = 8,862,000.06 × 6,312,424.75
  4. Step 4: Simplify right side
    6,430,603.55x = 55,940,708,513,245.49
  5. Step 5: Solve for x
    x = 55,940,708,513,245.49/6,430,603.55
  6. Step 6: Final answer
    x = 8,699,138.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.