Home / 13,830,595.32-19,068,478.40-11,340,642.36

Finding the Fourth Proportional to 13,830,595.32, 19,068,478.40 and 11,340,642.36

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Solution

The fourth proportional to 13,830,595.32, 19,068,478.40 and 11,340,642.36 is: 15,635,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830,595.32 : 19,068,478.40 = 11,340,642.36 : x
  2. Step 2: Convert to fraction form
    13,830,595.32/19,068,478.40 = 11,340,642.36/x
  3. Step 3: Cross multiply
    13,830,595.32x = 19,068,478.40 × 11,340,642.36
  4. Step 4: Simplify right side
    13,830,595.32x = 216,248,793,883,785
  5. Step 5: Solve for x
    x = 216,248,793,883,785/13,830,595.32
  6. Step 6: Final answer
    x = 15,635,537.65

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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.