Home / 13,789,646.96-19,028,304.55-8,490,500.40

Finding the Fourth Proportional to 13,789,646.96, 19,028,304.55 and 8,490,500.40

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Solution

The fourth proportional to 13,789,646.96, 19,028,304.55 and 8,490,500.40 is: 11,716,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789,646.96 : 19,028,304.55 = 8,490,500.40 : x
  2. Step 2: Convert to fraction form
    13,789,646.96/19,028,304.55 = 8,490,500.40/x
  3. Step 3: Cross multiply
    13,789,646.96x = 19,028,304.55 × 8,490,500.40
  4. Step 4: Simplify right side
    13,789,646.96x = 161,559,827,332,353.81
  5. Step 5: Solve for x
    x = 161,559,827,332,353.81/13,789,646.96
  6. Step 6: Final answer
    x = 11,716,023.46

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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.