Home / 16,238,341.96-22,408,904.14-9,711,971.28

Finding the Fourth Proportional to 16,238,341.96, 22,408,904.14 and 9,711,971.28

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Solution

The fourth proportional to 16,238,341.96, 22,408,904.14 and 9,711,971.28 is: 13,402,515.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,238,341.96 : 22,408,904.14 = 9,711,971.28 : x
  2. Step 2: Convert to fraction form
    16,238,341.96/22,408,904.14 = 9,711,971.28/x
  3. Step 3: Cross multiply
    16,238,341.96x = 22,408,904.14 × 9,711,971.28
  4. Step 4: Simplify right side
    16,238,341.96x = 217,634,633,399,673.16
  5. Step 5: Solve for x
    x = 217,634,633,399,673.16/16,238,341.96
  6. Step 6: Final answer
    x = 13,402,515.72

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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.