Home / 40,184,079.36-55,454,722.56-21,849,488.64

Finding the Fourth Proportional to 40,184,079.36, 55,454,722.56 and 21,849,488.64

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Solution

The fourth proportional to 40,184,079.36, 55,454,722.56 and 21,849,488.64 is: 30,152,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,184,079.36 : 55,454,722.56 = 21,849,488.64 : x
  2. Step 2: Convert to fraction form
    40,184,079.36/55,454,722.56 = 21,849,488.64/x
  3. Step 3: Cross multiply
    40,184,079.36x = 55,454,722.56 × 21,849,488.64
  4. Step 4: Simplify right side
    40,184,079.36x = 1,211,657,330,609,071.75
  5. Step 5: Solve for x
    x = 1,211,657,330,609,071.75/40,184,079.36
  6. Step 6: Final answer
    x = 30,152,671.16

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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.