Home / 21,592,657.15-32,388,985.72-7,215,724.94

Finding the Fourth Proportional to 21,592,657.15, 32,388,985.72 and 7,215,724.94

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Solution

The fourth proportional to 21,592,657.15, 32,388,985.72 and 7,215,724.94 is: 10,823,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,592,657.15 : 32,388,985.72 = 7,215,724.94 : x
  2. Step 2: Convert to fraction form
    21,592,657.15/32,388,985.72 = 7,215,724.94/x
  3. Step 3: Cross multiply
    21,592,657.15x = 32,388,985.72 × 7,215,724.94
  4. Step 4: Simplify right side
    21,592,657.15x = 233,710,011,979,246.03
  5. Step 5: Solve for x
    x = 233,710,011,979,246.03/21,592,657.15
  6. Step 6: Final answer
    x = 10,823,587.41

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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.