Home / 15,249,584.88-21,043,852.45-8,280,111.80

Finding the Fourth Proportional to 15,249,584.88, 21,043,852.45 and 8,280,111.80

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Solution

The fourth proportional to 15,249,584.88, 21,043,852.45 and 8,280,111.80 is: 11,426,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,584.88 : 21,043,852.45 = 8,280,111.80 : x
  2. Step 2: Convert to fraction form
    15,249,584.88/21,043,852.45 = 8,280,111.80/x
  3. Step 3: Cross multiply
    15,249,584.88x = 21,043,852.45 × 8,280,111.80
  4. Step 4: Simplify right side
    15,249,584.88x = 174,245,451,020,613.28
  5. Step 5: Solve for x
    x = 174,245,451,020,613.28/15,249,584.88
  6. Step 6: Final answer
    x = 11,426,242.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.