Home / 25,625,108.40-38,521,643.40-18,104,161.20

Finding the Fourth Proportional to 25,625,108.40, 38,521,643.40 and 18,104,161.20

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Solution

The fourth proportional to 25,625,108.40, 38,521,643.40 and 18,104,161.20 is: 27,215,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625,108.40 : 38,521,643.40 = 18,104,161.20 : x
  2. Step 2: Convert to fraction form
    25,625,108.40/38,521,643.40 = 18,104,161.20/x
  3. Step 3: Cross multiply
    25,625,108.40x = 38,521,643.40 × 18,104,161.20
  4. Step 4: Simplify right side
    25,625,108.40x = 697,402,041,802,516
  5. Step 5: Solve for x
    x = 697,402,041,802,516/25,625,108.40
  6. Step 6: Final answer
    x = 27,215,574.31

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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.