Home / 43,562,947.60-65,344,421.40-28,334,429.20

Finding the Fourth Proportional to 43,562,947.60, 65,344,421.40 and 28,334,429.20

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Solution

The fourth proportional to 43,562,947.60, 65,344,421.40 and 28,334,429.20 is: 42,501,643.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,562,947.60 : 65,344,421.40 = 28,334,429.20 : x
  2. Step 2: Convert to fraction form
    43,562,947.60/65,344,421.40 = 28,334,429.20/x
  3. Step 3: Cross multiply
    43,562,947.60x = 65,344,421.40 × 28,334,429.20
  4. Step 4: Simplify right side
    43,562,947.60x = 1,851,496,881,773,264.75
  5. Step 5: Solve for x
    x = 1,851,496,881,773,264.75/43,562,947.60
  6. Step 6: Final answer
    x = 42,501,643.80

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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.