Home / 28,908,870.84-43,324,775.78-15,258,808.35

Finding the Fourth Proportional to 28,908,870.84, 43,324,775.78 and 15,258,808.35

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Solution

The fourth proportional to 28,908,870.84, 43,324,775.78 and 15,258,808.35 is: 22,867,875.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908,870.84 : 43,324,775.78 = 15,258,808.35 : x
  2. Step 2: Convert to fraction form
    28,908,870.84/43,324,775.78 = 15,258,808.35/x
  3. Step 3: Cross multiply
    28,908,870.84x = 43,324,775.78 × 15,258,808.35
  4. Step 4: Simplify right side
    28,908,870.84x = 661,084,450,357,447.62
  5. Step 5: Solve for x
    x = 661,084,450,357,447.62/28,908,870.84
  6. Step 6: Final answer
    x = 22,867,875.19

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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.