Home / 21,248,603.10-31,872,904.65-6,881,981.40

Finding the Fourth Proportional to 21,248,603.10, 31,872,904.65 and 6,881,981.40

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Solution

The fourth proportional to 21,248,603.10, 31,872,904.65 and 6,881,981.40 is: 10,322,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248,603.10 : 31,872,904.65 = 6,881,981.40 : x
  2. Step 2: Convert to fraction form
    21,248,603.10/31,872,904.65 = 6,881,981.40/x
  3. Step 3: Cross multiply
    21,248,603.10x = 31,872,904.65 × 6,881,981.40
  4. Step 4: Simplify right side
    21,248,603.10x = 219,348,736,965,273.50
  5. Step 5: Solve for x
    x = 219,348,736,965,273.50/21,248,603.10
  6. Step 6: Final answer
    x = 10,322,972.10

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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.