Home / 42,303,330.40-63,464,326.80-13,550,792.80

Finding the Fourth Proportional to 42,303,330.40, 63,464,326.80 and 13,550,792.80

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Solution

The fourth proportional to 42,303,330.40, 63,464,326.80 and 13,550,792.80 is: 20,329,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,303,330.40 : 63,464,326.80 = 13,550,792.80 : x
  2. Step 2: Convert to fraction form
    42,303,330.40/63,464,326.80 = 13,550,792.80/x
  3. Step 3: Cross multiply
    42,303,330.40x = 63,464,326.80 × 13,550,792.80
  4. Step 4: Simplify right side
    42,303,330.40x = 859,991,942,658,287
  5. Step 5: Solve for x
    x = 859,991,942,658,287/42,303,330.40
  6. Step 6: Final answer
    x = 20,329,178.21

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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.