Home / 15,227,284.77-21,018,677.85-13,613,032.80

Finding the Fourth Proportional to 15,227,284.77, 21,018,677.85 and 13,613,032.80

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Solution

The fourth proportional to 15,227,284.77, 21,018,677.85 and 13,613,032.80 is: 18,790,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,227,284.77 : 21,018,677.85 = 13,613,032.80 : x
  2. Step 2: Convert to fraction form
    15,227,284.77/21,018,677.85 = 13,613,032.80/x
  3. Step 3: Cross multiply
    15,227,284.77x = 21,018,677.85 × 13,613,032.80
  4. Step 4: Simplify right side
    15,227,284.77x = 286,127,950,984,683.50
  5. Step 5: Solve for x
    x = 286,127,950,984,683.50/15,227,284.77
  6. Step 6: Final answer
    x = 18,790,477.44

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Double scale
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1.5x scale

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.