Home / 25,920,038.40-38,880,057.60-17,857,881.60

Finding the Fourth Proportional to 25,920,038.40, 38,880,057.60 and 17,857,881.60

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Solution

The fourth proportional to 25,920,038.40, 38,880,057.60 and 17,857,881.60 is: 26,786,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,920,038.40 : 38,880,057.60 = 17,857,881.60 : x
  2. Step 2: Convert to fraction form
    25,920,038.40/38,880,057.60 = 17,857,881.60/x
  3. Step 3: Cross multiply
    25,920,038.40x = 38,880,057.60 × 17,857,881.60
  4. Step 4: Simplify right side
    25,920,038.40x = 694,315,465,221,980.25
  5. Step 5: Solve for x
    x = 694,315,465,221,980.25/25,920,038.40
  6. Step 6: Final answer
    x = 26,786,822.40

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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.