Home / 15,300,961.99-21,114,501.72-8,774,866.51

Finding the Fourth Proportional to 15,300,961.99, 21,114,501.72 and 8,774,866.51

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Solution

The fourth proportional to 15,300,961.99, 21,114,501.72 and 8,774,866.51 is: 12,108,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,300,961.99 : 21,114,501.72 = 8,774,866.51 : x
  2. Step 2: Convert to fraction form
    15,300,961.99/21,114,501.72 = 8,774,866.51/x
  3. Step 3: Cross multiply
    15,300,961.99x = 21,114,501.72 × 8,774,866.51
  4. Step 4: Simplify right side
    15,300,961.99x = 185,276,934,018,165.38
  5. Step 5: Solve for x
    x = 185,276,934,018,165.38/15,300,961.99
  6. Step 6: Final answer
    x = 12,108,842.19

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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.