Home / 21,168,030.40-31,752,045.60-6,019,993.60

Finding the Fourth Proportional to 21,168,030.40, 31,752,045.60 and 6,019,993.60

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Solution

The fourth proportional to 21,168,030.40, 31,752,045.60 and 6,019,993.60 is: 9,029,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,168,030.40 : 31,752,045.60 = 6,019,993.60 : x
  2. Step 2: Convert to fraction form
    21,168,030.40/31,752,045.60 = 6,019,993.60/x
  3. Step 3: Cross multiply
    21,168,030.40x = 31,752,045.60 × 6,019,993.60
  4. Step 4: Simplify right side
    21,168,030.40x = 191,147,111,298,908.16
  5. Step 5: Solve for x
    x = 191,147,111,298,908.16/21,168,030.40
  6. Step 6: Final answer
    x = 9,029,990.40

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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.