Home / 29,007,430.75-40,031,011.79-15,955,032.03

Finding the Fourth Proportional to 29,007,430.75, 40,031,011.79 and 15,955,032.03

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Solution

The fourth proportional to 29,007,430.75, 40,031,011.79 and 15,955,032.03 is: 22,018,360.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,007,430.75 : 40,031,011.79 = 15,955,032.03 : x
  2. Step 2: Convert to fraction form
    29,007,430.75/40,031,011.79 = 15,955,032.03/x
  3. Step 3: Cross multiply
    29,007,430.75x = 40,031,011.79 × 15,955,032.03
  4. Step 4: Simplify right side
    29,007,430.75x = 638,696,075,302,757.62
  5. Step 5: Solve for x
    x = 638,696,075,302,757.62/29,007,430.75
  6. Step 6: Final answer
    x = 22,018,360.77

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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.