Home / 15,087,072.65-20,827,541.22-10,123,738.22

Finding the Fourth Proportional to 15,087,072.65, 20,827,541.22 and 10,123,738.22

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Solution

The fourth proportional to 15,087,072.65, 20,827,541.22 and 10,123,738.22 is: 13,975,711.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,087,072.65 : 20,827,541.22 = 10,123,738.22 : x
  2. Step 2: Convert to fraction form
    15,087,072.65/20,827,541.22 = 10,123,738.22/x
  3. Step 3: Cross multiply
    15,087,072.65x = 20,827,541.22 × 10,123,738.22
  4. Step 4: Simplify right side
    15,087,072.65x = 210,852,575,077,539.44
  5. Step 5: Solve for x
    x = 210,852,575,077,539.44/15,087,072.65
  6. Step 6: Final answer
    x = 13,975,711.52

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1.5x scale

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.