Home / 15,330,518.94-21,157,387.98-8,805,407.60

Finding the Fourth Proportional to 15,330,518.94, 21,157,387.98 and 8,805,407.60

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Solution

The fourth proportional to 15,330,518.94, 21,157,387.98 and 8,805,407.60 is: 12,152,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330,518.94 : 21,157,387.98 = 8,805,407.60 : x
  2. Step 2: Convert to fraction form
    15,330,518.94/21,157,387.98 = 8,805,407.60/x
  3. Step 3: Cross multiply
    15,330,518.94x = 21,157,387.98 × 8,805,407.60
  4. Step 4: Simplify right side
    15,330,518.94x = 186,299,424,915,240.66
  5. Step 5: Solve for x
    x = 186,299,424,915,240.66/15,330,518.94
  6. Step 6: Final answer
    x = 12,152,193.00

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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.