Home / 12,988,111.32-19,488,886.47-9,423,301.32

Finding the Fourth Proportional to 12,988,111.32, 19,488,886.47 and 9,423,301.32

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Solution

The fourth proportional to 12,988,111.32, 19,488,886.47 and 9,423,301.32 is: 14,139,827.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,111.32 : 19,488,886.47 = 9,423,301.32 : x
  2. Step 2: Convert to fraction form
    12,988,111.32/19,488,886.47 = 9,423,301.32/x
  3. Step 3: Cross multiply
    12,988,111.32x = 19,488,886.47 × 9,423,301.32
  4. Step 4: Simplify right side
    12,988,111.32x = 183,649,649,598,081.12
  5. Step 5: Solve for x
    x = 183,649,649,598,081.12/12,988,111.32
  6. Step 6: Final answer
    x = 14,139,827.19

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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.