Home / 13,287,123.51-18,336,230.28-7,175,552.01

Finding the Fourth Proportional to 13,287,123.51, 18,336,230.28 and 7,175,552.01

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Solution

The fourth proportional to 13,287,123.51, 18,336,230.28 and 7,175,552.01 is: 9,902,261.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,287,123.51 : 18,336,230.28 = 7,175,552.01 : x
  2. Step 2: Convert to fraction form
    13,287,123.51/18,336,230.28 = 7,175,552.01/x
  3. Step 3: Cross multiply
    13,287,123.51x = 18,336,230.28 × 7,175,552.01
  4. Step 4: Simplify right side
    13,287,123.51x = 131,572,574,041,476.88
  5. Step 5: Solve for x
    x = 131,572,574,041,476.88/13,287,123.51
  6. Step 6: Final answer
    x = 9,902,261.69

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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.