Home / 25,897,246.40-38,845,869.60-12,460,318.40

Finding the Fourth Proportional to 25,897,246.40, 38,845,869.60 and 12,460,318.40

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Solution

The fourth proportional to 25,897,246.40, 38,845,869.60 and 12,460,318.40 is: 18,690,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,897,246.40 : 38,845,869.60 = 12,460,318.40 : x
  2. Step 2: Convert to fraction form
    25,897,246.40/38,845,869.60 = 12,460,318.40/x
  3. Step 3: Cross multiply
    25,897,246.40x = 38,845,869.60 × 12,460,318.40
  4. Step 4: Simplify right side
    25,897,246.40x = 484,031,903,740,880.69
  5. Step 5: Solve for x
    x = 484,031,903,740,880.69/25,897,246.40
  6. Step 6: Final answer
    x = 18,690,477.60

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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.