Home / 45,674,904.72-68,495,282.64-18,371,971.20

Finding the Fourth Proportional to 45,674,904.72, 68,495,282.64 and 18,371,971.20

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Solution

The fourth proportional to 45,674,904.72, 68,495,282.64 and 18,371,971.20 is: 27,551,088.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,674,904.72 : 68,495,282.64 = 18,371,971.20 : x
  2. Step 2: Convert to fraction form
    45,674,904.72/68,495,282.64 = 18,371,971.20/x
  3. Step 3: Cross multiply
    45,674,904.72x = 68,495,282.64 × 18,371,971.20
  4. Step 4: Simplify right side
    45,674,904.72x = 1,258,393,359,997,940
  5. Step 5: Solve for x
    x = 1,258,393,359,997,940/45,674,904.72
  6. Step 6: Final answer
    x = 27,551,088.89

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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.