Home / 30,113,141.62-45,144,320.54-13,060,971.94

Finding the Fourth Proportional to 30,113,141.62, 45,144,320.54 and 13,060,971.94

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Solution

The fourth proportional to 30,113,141.62, 45,144,320.54 and 13,060,971.94 is: 19,580,444.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113,141.62 : 45,144,320.54 = 13,060,971.94 : x
  2. Step 2: Convert to fraction form
    30,113,141.62/45,144,320.54 = 13,060,971.94/x
  3. Step 3: Cross multiply
    30,113,141.62x = 45,144,320.54 × 13,060,971.94
  4. Step 4: Simplify right side
    30,113,141.62x = 589,628,703,823,305.62
  5. Step 5: Solve for x
    x = 589,628,703,823,305.62/30,113,141.62
  6. Step 6: Final answer
    x = 19,580,444.69

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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.