Home / 43,624,872.40-65,437,308.60-13,332,686.80

Finding the Fourth Proportional to 43,624,872.40, 65,437,308.60 and 13,332,686.80

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Solution

The fourth proportional to 43,624,872.40, 65,437,308.60 and 13,332,686.80 is: 19,999,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,624,872.40 : 65,437,308.60 = 13,332,686.80 : x
  2. Step 2: Convert to fraction form
    43,624,872.40/65,437,308.60 = 13,332,686.80/x
  3. Step 3: Cross multiply
    43,624,872.40x = 65,437,308.60 × 13,332,686.80
  4. Step 4: Simplify right side
    43,624,872.40x = 872,455,140,598,746.50
  5. Step 5: Solve for x
    x = 872,455,140,598,746.50/43,624,872.40
  6. Step 6: Final answer
    x = 19,999,030.20

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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.