Home / 21,703,320.69-29,950,464.33-11,913,931.47

Finding the Fourth Proportional to 21,703,320.69, 29,950,464.33 and 11,913,931.47

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Solution

The fourth proportional to 21,703,320.69, 29,950,464.33 and 11,913,931.47 is: 16,441,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,703,320.69 : 29,950,464.33 = 11,913,931.47 : x
  2. Step 2: Convert to fraction form
    21,703,320.69/29,950,464.33 = 11,913,931.47/x
  3. Step 3: Cross multiply
    21,703,320.69x = 29,950,464.33 × 11,913,931.47
  4. Step 4: Simplify right side
    21,703,320.69x = 356,827,779,522,299.44
  5. Step 5: Solve for x
    x = 356,827,779,522,299.44/21,703,320.69
  6. Step 6: Final answer
    x = 16,441,160.53

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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.