Home / 13,878,237.66-20,827,827.36-9,490,894.02

Finding the Fourth Proportional to 13,878,237.66, 20,827,827.36 and 9,490,894.02

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Solution

The fourth proportional to 13,878,237.66, 20,827,827.36 and 9,490,894.02 is: 14,243,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,878,237.66 : 20,827,827.36 = 9,490,894.02 : x
  2. Step 2: Convert to fraction form
    13,878,237.66/20,827,827.36 = 9,490,894.02/x
  3. Step 3: Cross multiply
    13,878,237.66x = 20,827,827.36 × 9,490,894.02
  4. Step 4: Simplify right side
    13,878,237.66x = 197,674,702,140,616.38
  5. Step 5: Solve for x
    x = 197,674,702,140,616.38/13,878,237.66
  6. Step 6: Final answer
    x = 14,243,501.73

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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.