Home / 7,547,119.61-11,299,420.56-6,781,844.57

Finding the Fourth Proportional to 7,547,119.61, 11,299,420.56 and 6,781,844.57

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Solution

The fourth proportional to 7,547,119.61, 11,299,420.56 and 6,781,844.57 is: 10,153,663.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,547,119.61 : 11,299,420.56 = 6,781,844.57 : x
  2. Step 2: Convert to fraction form
    7,547,119.61/11,299,420.56 = 6,781,844.57/x
  3. Step 3: Cross multiply
    7,547,119.61x = 11,299,420.56 × 6,781,844.57
  4. Step 4: Simplify right side
    7,547,119.61x = 76,630,913,968,982.36
  5. Step 5: Solve for x
    x = 76,630,913,968,982.36/7,547,119.61
  6. Step 6: Final answer
    x = 10,153,663.64

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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.