Home / 19,681,853.18-27,160,968.96-10,980,025.83

Finding the Fourth Proportional to 19,681,853.18, 27,160,968.96 and 10,980,025.83

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Solution

The fourth proportional to 19,681,853.18, 27,160,968.96 and 10,980,025.83 is: 15,152,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,853.18 : 27,160,968.96 = 10,980,025.83 : x
  2. Step 2: Convert to fraction form
    19,681,853.18/27,160,968.96 = 10,980,025.83/x
  3. Step 3: Cross multiply
    19,681,853.18x = 27,160,968.96 × 10,980,025.83
  4. Step 4: Simplify right side
    19,681,853.18x = 298,228,140,748,628.25
  5. Step 5: Solve for x
    x = 298,228,140,748,628.25/19,681,853.18
  6. Step 6: Final answer
    x = 15,152,442.10

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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.