Home / 13,010,643.30-19,501,968.15-4,920,492.90

Finding the Fourth Proportional to 13,010,643.30, 19,501,968.15 and 4,920,492.90

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Solution

The fourth proportional to 13,010,643.30, 19,501,968.15 and 4,920,492.90 is: 7,375,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010,643.30 : 19,501,968.15 = 4,920,492.90 : x
  2. Step 2: Convert to fraction form
    13,010,643.30/19,501,968.15 = 4,920,492.90/x
  3. Step 3: Cross multiply
    13,010,643.30x = 19,501,968.15 × 4,920,492.90
  4. Step 4: Simplify right side
    13,010,643.30x = 95,959,295,818,101.14
  5. Step 5: Solve for x
    x = 95,959,295,818,101.14/13,010,643.30
  6. Step 6: Final answer
    x = 7,375,445.90

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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.