Home / 48,417,868.53-72,583,802.09-18,867,216.74

Finding the Fourth Proportional to 48,417,868.53, 72,583,802.09 and 18,867,216.74

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Solution

The fourth proportional to 48,417,868.53, 72,583,802.09 and 18,867,216.74 is: 28,284,068.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,417,868.53 : 72,583,802.09 = 18,867,216.74 : x
  2. Step 2: Convert to fraction form
    48,417,868.53/72,583,802.09 = 18,867,216.74/x
  3. Step 3: Cross multiply
    48,417,868.53x = 72,583,802.09 × 18,867,216.74
  4. Step 4: Simplify right side
    48,417,868.53x = 1,369,454,325,458,792
  5. Step 5: Solve for x
    x = 1,369,454,325,458,792/48,417,868.53
  6. Step 6: Final answer
    x = 28,284,068.82

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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.