Home / 25,849,030.60-38,720,401.80-17,771,127.40

Finding the Fourth Proportional to 25,849,030.60, 38,720,401.80 and 17,771,127.40

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Solution

The fourth proportional to 25,849,030.60, 38,720,401.80 and 17,771,127.40 is: 26,620,154.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849,030.60 : 38,720,401.80 = 17,771,127.40 : x
  2. Step 2: Convert to fraction form
    25,849,030.60/38,720,401.80 = 17,771,127.40/x
  3. Step 3: Cross multiply
    25,849,030.60x = 38,720,401.80 × 17,771,127.40
  4. Step 4: Simplify right side
    25,849,030.60x = 688,105,193,366,989.25
  5. Step 5: Solve for x
    x = 688,105,193,366,989.25/25,849,030.60
  6. Step 6: Final answer
    x = 26,620,154.70

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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.