Home / 21,360,746.81-32,041,120.28-5,186,589.18

Finding the Fourth Proportional to 21,360,746.81, 32,041,120.28 and 5,186,589.18

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Solution

The fourth proportional to 21,360,746.81, 32,041,120.28 and 5,186,589.18 is: 7,779,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360,746.81 : 32,041,120.28 = 5,186,589.18 : x
  2. Step 2: Convert to fraction form
    21,360,746.81/32,041,120.28 = 5,186,589.18/x
  3. Step 3: Cross multiply
    21,360,746.81x = 32,041,120.28 × 5,186,589.18
  4. Step 4: Simplify right side
    21,360,746.81x = 166,184,127,733,393.59
  5. Step 5: Solve for x
    x = 166,184,127,733,393.59/21,360,746.81
  6. Step 6: Final answer
    x = 7,779,883.79

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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.