Home / 30,356,128.89-45,537,383.32-9,887,443.47

Finding the Fourth Proportional to 30,356,128.89, 45,537,383.32 and 9,887,443.47

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Solution

The fourth proportional to 30,356,128.89, 45,537,383.32 and 9,887,443.47 is: 14,832,204.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,356,128.89 : 45,537,383.32 = 9,887,443.47 : x
  2. Step 2: Convert to fraction form
    30,356,128.89/45,537,383.32 = 9,887,443.47/x
  3. Step 3: Cross multiply
    30,356,128.89x = 45,537,383.32 × 9,887,443.47
  4. Step 4: Simplify right side
    30,356,128.89x = 450,248,303,323,502.38
  5. Step 5: Solve for x
    x = 450,248,303,323,502.38/30,356,128.89
  6. Step 6: Final answer
    x = 14,832,204.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.