Home / 25,985,527.04-38,983,669.68-7,788,987.20

Finding the Fourth Proportional to 25,985,527.04, 38,983,669.68 and 7,788,987.20

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Solution

The fourth proportional to 25,985,527.04, 38,983,669.68 and 7,788,987.20 is: 11,685,093.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,985,527.04 : 38,983,669.68 = 7,788,987.20 : x
  2. Step 2: Convert to fraction form
    25,985,527.04/38,983,669.68 = 7,788,987.20/x
  3. Step 3: Cross multiply
    25,985,527.04x = 38,983,669.68 × 7,788,987.20
  4. Step 4: Simplify right side
    25,985,527.04x = 303,643,304,146,548.12
  5. Step 5: Solve for x
    x = 303,643,304,146,548.12/25,985,527.04
  6. Step 6: Final answer
    x = 11,685,093.16

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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.