Home / 21,703,317.96-29,950,460.53-11,913,928.71

Finding the Fourth Proportional to 21,703,317.96, 29,950,460.53 and 11,913,928.71

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Solution

The fourth proportional to 21,703,317.96, 29,950,460.53 and 11,913,928.71 is: 16,441,156.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,317.96 : 29,950,460.53 = 11,913,928.71 : x
  2. Step 2: Convert to fraction form
    21,703,317.96/29,950,460.53 = 11,913,928.71/x
  3. Step 3: Cross multiply
    21,703,317.96x = 29,950,460.53 × 11,913,928.71
  4. Step 4: Simplify right side
    21,703,317.96x = 356,827,651,586,088.88
  5. Step 5: Solve for x
    x = 356,827,651,586,088.88/21,703,317.96
  6. Step 6: Final answer
    x = 16,441,156.70

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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.