Home / 43,205,759.64-64,811,020.86-12,915,984.60

Finding the Fourth Proportional to 43,205,759.64, 64,811,020.86 and 12,915,984.60

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Solution

The fourth proportional to 43,205,759.64, 64,811,020.86 and 12,915,984.60 is: 19,374,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,205,759.64 : 64,811,020.86 = 12,915,984.60 : x
  2. Step 2: Convert to fraction form
    43,205,759.64/64,811,020.86 = 12,915,984.60/x
  3. Step 3: Cross multiply
    43,205,759.64x = 64,811,020.86 × 12,915,984.60
  4. Step 4: Simplify right side
    43,205,759.64x = 837,098,147,338,038.75
  5. Step 5: Solve for x
    x = 837,098,147,338,038.75/43,205,759.64
  6. Step 6: Final answer
    x = 19,374,688.80

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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.