Home / 7,642,937.76-10,547,036.64-4,205,181.12

Finding the Fourth Proportional to 7,642,937.76, 10,547,036.64 and 4,205,181.12

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Solution

The fourth proportional to 7,642,937.76, 10,547,036.64 and 4,205,181.12 is: 5,803,030.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642,937.76 : 10,547,036.64 = 4,205,181.12 : x
  2. Step 2: Convert to fraction form
    7,642,937.76/10,547,036.64 = 4,205,181.12/x
  3. Step 3: Cross multiply
    7,642,937.76x = 10,547,036.64 × 4,205,181.12
  4. Step 4: Simplify right side
    7,642,937.76x = 44,352,199,350,476.24
  5. Step 5: Solve for x
    x = 44,352,199,350,476.24/7,642,937.76
  6. Step 6: Final answer
    x = 5,803,030.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.