Home / 12,113,676.10-18,186,260.55-9,720,223.30

Finding the Fourth Proportional to 12,113,676.10, 18,186,260.55 and 9,720,223.30

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Solution

The fourth proportional to 12,113,676.10, 18,186,260.55 and 9,720,223.30 is: 14,592,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,113,676.10 : 18,186,260.55 = 9,720,223.30 : x
  2. Step 2: Convert to fraction form
    12,113,676.10/18,186,260.55 = 9,720,223.30/x
  3. Step 3: Cross multiply
    12,113,676.10x = 18,186,260.55 × 9,720,223.30
  4. Step 4: Simplify right side
    12,113,676.10x = 176,774,513,537,980.84
  5. Step 5: Solve for x
    x = 176,774,513,537,980.84/12,113,676.10
  6. Step 6: Final answer
    x = 14,592,970.13

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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.