Home / 8,249,105.12-12,370,705.02-2,856,307.34

Finding the Fourth Proportional to 8,249,105.12, 12,370,705.02 and 2,856,307.34

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Solution

The fourth proportional to 8,249,105.12, 12,370,705.02 and 2,856,307.34 is: 4,283,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249,105.12 : 12,370,705.02 = 2,856,307.34 : x
  2. Step 2: Convert to fraction form
    8,249,105.12/12,370,705.02 = 2,856,307.34/x
  3. Step 3: Cross multiply
    8,249,105.12x = 12,370,705.02 × 2,856,307.34
  4. Step 4: Simplify right side
    8,249,105.12x = 35,334,535,549,600.84
  5. Step 5: Solve for x
    x = 35,334,535,549,600.84/8,249,105.12
  6. Step 6: Final answer
    x = 4,283,438.63

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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.