Home / 18,930,810.65-26,168,649.95-16,886,091.20

Finding the Fourth Proportional to 18,930,810.65, 26,168,649.95 and 16,886,091.20

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Solution

The fourth proportional to 18,930,810.65, 26,168,649.95 and 16,886,091.20 is: 23,342,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,930,810.65 : 26,168,649.95 = 16,886,091.20 : x
  2. Step 2: Convert to fraction form
    18,930,810.65/26,168,649.95 = 16,886,091.20/x
  3. Step 3: Cross multiply
    18,930,810.65x = 26,168,649.95 × 16,886,091.20
  4. Step 4: Simplify right side
    18,930,810.65x = 441,886,209,547,947.44
  5. Step 5: Solve for x
    x = 441,886,209,547,947.44/18,930,810.65
  6. Step 6: Final answer
    x = 23,342,170.49

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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.