Home / 8,581,430.36-12,871,946.28-4,320,454.52

Finding the Fourth Proportional to 8,581,430.36, 12,871,946.28 and 4,320,454.52

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Solution

The fourth proportional to 8,581,430.36, 12,871,946.28 and 4,320,454.52 is: 6,480,581.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,430.36 : 12,871,946.28 = 4,320,454.52 : x
  2. Step 2: Convert to fraction form
    8,581,430.36/12,871,946.28 = 4,320,454.52/x
  3. Step 3: Cross multiply
    8,581,430.36x = 12,871,946.28 × 4,320,454.52
  4. Step 4: Simplify right side
    8,581,430.36x = 55,612,658,486,623.18
  5. Step 5: Solve for x
    x = 55,612,658,486,623.18/8,581,430.36
  6. Step 6: Final answer
    x = 6,480,581.46

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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.