Home / 37,330,742.40-51,516,412.80-20,161,334.40

Finding the Fourth Proportional to 37,330,742.40, 51,516,412.80 and 20,161,334.40

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Solution

The fourth proportional to 37,330,742.40, 51,516,412.80 and 20,161,334.40 is: 27,822,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,330,742.40 : 51,516,412.80 = 20,161,334.40 : x
  2. Step 2: Convert to fraction form
    37,330,742.40/51,516,412.80 = 20,161,334.40/x
  3. Step 3: Cross multiply
    37,330,742.40x = 51,516,412.80 × 20,161,334.40
  4. Step 4: Simplify right side
    37,330,742.40x = 1,038,639,625,549,240.12
  5. Step 5: Solve for x
    x = 1,038,639,625,549,240.12/37,330,742.40
  6. Step 6: Final answer
    x = 27,822,635.15

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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.