Home / 15,554,428.80-23,331,643.20-10,179,657.60

Finding the Fourth Proportional to 15,554,428.80, 23,331,643.20 and 10,179,657.60

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Solution

The fourth proportional to 15,554,428.80, 23,331,643.20 and 10,179,657.60 is: 15,269,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554,428.80 : 23,331,643.20 = 10,179,657.60 : x
  2. Step 2: Convert to fraction form
    15,554,428.80/23,331,643.20 = 10,179,657.60/x
  3. Step 3: Cross multiply
    15,554,428.80x = 23,331,643.20 × 10,179,657.60
  4. Step 4: Simplify right side
    15,554,428.80x = 237,508,139,021,368.31
  5. Step 5: Solve for x
    x = 237,508,139,021,368.31/15,554,428.80
  6. Step 6: Final answer
    x = 15,269,486.40

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1.5x scale

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.