Home / 20,257,365.81-30,386,126.63-4,904,629.91

Finding the Fourth Proportional to 20,257,365.81, 30,386,126.63 and 4,904,629.91

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Solution

The fourth proportional to 20,257,365.81, 30,386,126.63 and 4,904,629.91 is: 7,356,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257,365.81 : 30,386,126.63 = 4,904,629.91 : x
  2. Step 2: Convert to fraction form
    20,257,365.81/30,386,126.63 = 4,904,629.91/x
  3. Step 3: Cross multiply
    20,257,365.81x = 30,386,126.63 × 4,904,629.91
  4. Step 4: Simplify right side
    20,257,365.81x = 149,032,705,663,746.38
  5. Step 5: Solve for x
    x = 149,032,705,663,746.38/20,257,365.81
  6. Step 6: Final answer
    x = 7,356,963.74

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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.