Home / 7,019,727-10,528,258.86-3,421,875.48

Finding the Fourth Proportional to 7,019,727, 10,528,258.86 and 3,421,875.48

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Solution

The fourth proportional to 7,019,727, 10,528,258.86 and 3,421,875.48 is: 5,132,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019,727 : 10,528,258.86 = 3,421,875.48 : x
  2. Step 2: Convert to fraction form
    7,019,727/10,528,258.86 = 3,421,875.48/x
  3. Step 3: Cross multiply
    7,019,727x = 10,528,258.86 × 3,421,875.48
  4. Step 4: Simplify right side
    7,019,727x = 36,026,390,840,126.75
  5. Step 5: Solve for x
    x = 36,026,390,840,126.75/7,019,727
  6. Step 6: Final answer
    x = 5,132,164.09

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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.