Home / 19,053,421.71-28,580,154.86-5,220,497.58

Finding the Fourth Proportional to 19,053,421.71, 28,580,154.86 and 5,220,497.58

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Solution

The fourth proportional to 19,053,421.71, 28,580,154.86 and 5,220,497.58 is: 7,830,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,053,421.71 : 28,580,154.86 = 5,220,497.58 : x
  2. Step 2: Convert to fraction form
    19,053,421.71/28,580,154.86 = 5,220,497.58/x
  3. Step 3: Cross multiply
    19,053,421.71x = 28,580,154.86 × 5,220,497.58
  4. Step 4: Simplify right side
    19,053,421.71x = 149,202,629,282,655.25
  5. Step 5: Solve for x
    x = 149,202,629,282,655.25/19,053,421.71
  6. Step 6: Final answer
    x = 7,830,752.48

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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.