Home / 21,047,833.32-29,046,009.38-11,390,041.32

Finding the Fourth Proportional to 21,047,833.32, 29,046,009.38 and 11,390,041.32

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Solution

The fourth proportional to 21,047,833.32, 29,046,009.38 and 11,390,041.32 is: 15,718,256.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,047,833.32 : 29,046,009.38 = 11,390,041.32 : x
  2. Step 2: Convert to fraction form
    21,047,833.32/29,046,009.38 = 11,390,041.32/x
  3. Step 3: Cross multiply
    21,047,833.32x = 29,046,009.38 × 11,390,041.32
  4. Step 4: Simplify right side
    21,047,833.32x = 330,835,247,019,307.56
  5. Step 5: Solve for x
    x = 330,835,247,019,307.56/21,047,833.32
  6. Step 6: Final answer
    x = 15,718,256.70

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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.