Home / 21,456,043.30-32,184,064.95-5,281,866.10

Finding the Fourth Proportional to 21,456,043.30, 32,184,064.95 and 5,281,866.10

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Solution

The fourth proportional to 21,456,043.30, 32,184,064.95 and 5,281,866.10 is: 7,922,799.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,043.30 : 32,184,064.95 = 5,281,866.10 : x
  2. Step 2: Convert to fraction form
    21,456,043.30/32,184,064.95 = 5,281,866.10/x
  3. Step 3: Cross multiply
    21,456,043.30x = 32,184,064.95 × 5,281,866.10
  4. Step 4: Simplify right side
    21,456,043.30x = 169,991,921,619,603.19
  5. Step 5: Solve for x
    x = 169,991,921,619,603.19/21,456,043.30
  6. Step 6: Final answer
    x = 7,922,799.15

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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.