Home / 35,638,508.79-53,457,960.02-12,918,815.55

Finding the Fourth Proportional to 35,638,508.79, 53,457,960.02 and 12,918,815.55

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Solution

The fourth proportional to 35,638,508.79, 53,457,960.02 and 12,918,815.55 is: 19,378,294.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,638,508.79 : 53,457,960.02 = 12,918,815.55 : x
  2. Step 2: Convert to fraction form
    35,638,508.79/53,457,960.02 = 12,918,815.55/x
  3. Step 3: Cross multiply
    35,638,508.79x = 53,457,960.02 × 12,918,815.55
  4. Step 4: Simplify right side
    35,638,508.79x = 690,613,525,113,060.25
  5. Step 5: Solve for x
    x = 690,613,525,113,060.25/35,638,508.79
  6. Step 6: Final answer
    x = 19,378,294.68

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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.