Home / 21,801,713.40-32,702,570.10-7,420,001.40

Finding the Fourth Proportional to 21,801,713.40, 32,702,570.10 and 7,420,001.40

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Solution

The fourth proportional to 21,801,713.40, 32,702,570.10 and 7,420,001.40 is: 11,130,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801,713.40 : 32,702,570.10 = 7,420,001.40 : x
  2. Step 2: Convert to fraction form
    21,801,713.40/32,702,570.10 = 7,420,001.40/x
  3. Step 3: Cross multiply
    21,801,713.40x = 32,702,570.10 × 7,420,001.40
  4. Step 4: Simplify right side
    21,801,713.40x = 242,653,115,925,598.16
  5. Step 5: Solve for x
    x = 242,653,115,925,598.16/21,801,713.40
  6. Step 6: Final answer
    x = 11,130,002.10

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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.