Home / 20,054,965.10-30,033,386.54-18,114,053.63

Finding the Fourth Proportional to 20,054,965.10, 30,033,386.54 and 18,114,053.63

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Solution

The fourth proportional to 20,054,965.10, 30,033,386.54 and 18,114,053.63 is: 27,126,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054,965.10 : 30,033,386.54 = 18,114,053.63 : x
  2. Step 2: Convert to fraction form
    20,054,965.10/30,033,386.54 = 18,114,053.63/x
  3. Step 3: Cross multiply
    20,054,965.10x = 30,033,386.54 × 18,114,053.63
  4. Step 4: Simplify right side
    20,054,965.10x = 544,026,374,385,509.81
  5. Step 5: Solve for x
    x = 544,026,374,385,509.81/20,054,965.10
  6. Step 6: Final answer
    x = 27,126,767.45

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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.