Home / 18,578,454.96-25,636,852.44-10,428,118.32

Finding the Fourth Proportional to 18,578,454.96, 25,636,852.44 and 10,428,118.32

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Solution

The fourth proportional to 18,578,454.96, 25,636,852.44 and 10,428,118.32 is: 14,390,008.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,578,454.96 : 25,636,852.44 = 10,428,118.32 : x
  2. Step 2: Convert to fraction form
    18,578,454.96/25,636,852.44 = 10,428,118.32/x
  3. Step 3: Cross multiply
    18,578,454.96x = 25,636,852.44 × 10,428,118.32
  4. Step 4: Simplify right side
    18,578,454.96x = 267,344,130,596,700.72
  5. Step 5: Solve for x
    x = 267,344,130,596,700.72/18,578,454.96
  6. Step 6: Final answer
    x = 14,390,008.81

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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.