Home / 21,362,784.65-29,480,479.86-11,573,158.81

Finding the Fourth Proportional to 21,362,784.65, 29,480,479.86 and 11,573,158.81

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Solution

The fourth proportional to 21,362,784.65, 29,480,479.86 and 11,573,158.81 is: 15,970,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,362,784.65 : 29,480,479.86 = 11,573,158.81 : x
  2. Step 2: Convert to fraction form
    21,362,784.65/29,480,479.86 = 11,573,158.81/x
  3. Step 3: Cross multiply
    21,362,784.65x = 29,480,479.86 × 11,573,158.81
  4. Step 4: Simplify right side
    21,362,784.65x = 341,182,275,067,384.12
  5. Step 5: Solve for x
    x = 341,182,275,067,384.12/21,362,784.65
  6. Step 6: Final answer
    x = 15,970,870.87

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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.