Home / 8,390,913.47-11,576,181.93-4,718,988.32

Finding the Fourth Proportional to 8,390,913.47, 11,576,181.93 and 4,718,988.32

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Solution

The fourth proportional to 8,390,913.47, 11,576,181.93 and 4,718,988.32 is: 6,510,359.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,390,913.47 : 11,576,181.93 = 4,718,988.32 : x
  2. Step 2: Convert to fraction form
    8,390,913.47/11,576,181.93 = 4,718,988.32/x
  3. Step 3: Cross multiply
    8,390,913.47x = 11,576,181.93 × 4,718,988.32
  4. Step 4: Simplify right side
    8,390,913.47x = 54,627,867,242,287.95
  5. Step 5: Solve for x
    x = 54,627,867,242,287.95/8,390,913.47
  6. Step 6: Final answer
    x = 6,510,359.98

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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.