Home / 13,586,148-18,748,884.24-7,474,445.28

Finding the Fourth Proportional to 13,586,148, 18,748,884.24 and 7,474,445.28

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Solution

The fourth proportional to 13,586,148, 18,748,884.24 and 7,474,445.28 is: 10,314,734.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,148 : 18,748,884.24 = 7,474,445.28 : x
  2. Step 2: Convert to fraction form
    13,586,148/18,748,884.24 = 7,474,445.28/x
  3. Step 3: Cross multiply
    13,586,148x = 18,748,884.24 × 7,474,445.28
  4. Step 4: Simplify right side
    13,586,148x = 140,137,509,312,934.38
  5. Step 5: Solve for x
    x = 140,137,509,312,934.38/13,586,148
  6. Step 6: Final answer
    x = 10,314,734.49

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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.