Home / 19,688,881.71-27,170,657.78-10,868,335.32

Finding the Fourth Proportional to 19,688,881.71, 27,170,657.78 and 10,868,335.32

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Solution

The fourth proportional to 19,688,881.71, 27,170,657.78 and 10,868,335.32 is: 14,998,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,881.71 : 27,170,657.78 = 10,868,335.32 : x
  2. Step 2: Convert to fraction form
    19,688,881.71/27,170,657.78 = 10,868,335.32/x
  3. Step 3: Cross multiply
    19,688,881.71x = 27,170,657.78 × 10,868,335.32
  4. Step 4: Simplify right side
    19,688,881.71x = 295,299,819,563,665.12
  5. Step 5: Solve for x
    x = 295,299,819,563,665.12/19,688,881.71
  6. Step 6: Final answer
    x = 14,998,303.30

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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.