Home / 21,703,316.96-29,950,459.16-11,913,927.71

Finding the Fourth Proportional to 21,703,316.96, 29,950,459.16 and 11,913,927.71

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Solution

The fourth proportional to 21,703,316.96, 29,950,459.16 and 11,913,927.71 is: 16,441,155.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,316.96 : 29,950,459.16 = 11,913,927.71 : x
  2. Step 2: Convert to fraction form
    21,703,316.96/29,950,459.16 = 11,913,927.71/x
  3. Step 3: Cross multiply
    21,703,316.96x = 29,950,459.16 × 11,913,927.71
  4. Step 4: Simplify right side
    21,703,316.96x = 356,827,605,104,225.38
  5. Step 5: Solve for x
    x = 356,827,605,104,225.38/21,703,316.96
  6. Step 6: Final answer
    x = 16,441,155.32

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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.