Home / 20,263,444.65-30,400,848.59-8,141,419.40

Finding the Fourth Proportional to 20,263,444.65, 30,400,848.59 and 8,141,419.40

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Solution

The fourth proportional to 20,263,444.65, 30,400,848.59 and 8,141,419.40 is: 12,214,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263,444.65 : 30,400,848.59 = 8,141,419.40 : x
  2. Step 2: Convert to fraction form
    20,263,444.65/30,400,848.59 = 8,141,419.40/x
  3. Step 3: Cross multiply
    20,263,444.65x = 30,400,848.59 × 8,141,419.40
  4. Step 4: Simplify right side
    20,263,444.65x = 247,506,058,294,377.31
  5. Step 5: Solve for x
    x = 247,506,058,294,377.31/20,263,444.65
  6. Step 6: Final answer
    x = 12,214,411.84

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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.