Home / 31,230,152.64-43,100,307.36-17,478,918.72

Finding the Fourth Proportional to 31,230,152.64, 43,100,307.36 and 17,478,918.72

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Solution

The fourth proportional to 31,230,152.64, 43,100,307.36 and 17,478,918.72 is: 24,122,417.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,230,152.64 : 43,100,307.36 = 17,478,918.72 : x
  2. Step 2: Convert to fraction form
    31,230,152.64/43,100,307.36 = 17,478,918.72/x
  3. Step 3: Cross multiply
    31,230,152.64x = 43,100,307.36 × 17,478,918.72
  4. Step 4: Simplify right side
    31,230,152.64x = 753,346,769,152,457.75
  5. Step 5: Solve for x
    x = 753,346,769,152,457.75/31,230,152.64
  6. Step 6: Final answer
    x = 24,122,417.13

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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.