Home / 7,890,071.79-11,835,783.99-2,772,061.08

Finding the Fourth Proportional to 7,890,071.79, 11,835,783.99 and 2,772,061.08

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Solution

The fourth proportional to 7,890,071.79, 11,835,783.99 and 2,772,061.08 is: 4,158,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890,071.79 : 11,835,783.99 = 2,772,061.08 : x
  2. Step 2: Convert to fraction form
    7,890,071.79/11,835,783.99 = 2,772,061.08/x
  3. Step 3: Cross multiply
    7,890,071.79x = 11,835,783.99 × 2,772,061.08
  4. Step 4: Simplify right side
    7,890,071.79x = 32,809,516,105,581.92
  5. Step 5: Solve for x
    x = 32,809,516,105,581.92/7,890,071.79
  6. Step 6: Final answer
    x = 4,158,329.22

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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.