Home / 21,057,670.36-31,587,148.98-7,224,435.10

Finding the Fourth Proportional to 21,057,670.36, 31,587,148.98 and 7,224,435.10

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Solution

The fourth proportional to 21,057,670.36, 31,587,148.98 and 7,224,435.10 is: 10,836,873.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,057,670.36 : 31,587,148.98 = 7,224,435.10 : x
  2. Step 2: Convert to fraction form
    21,057,670.36/31,587,148.98 = 7,224,435.10/x
  3. Step 3: Cross multiply
    21,057,670.36x = 31,587,148.98 × 7,224,435.10
  4. Step 4: Simplify right side
    21,057,670.36x = 228,199,307,800,041.19
  5. Step 5: Solve for x
    x = 228,199,307,800,041.19/21,057,670.36
  6. Step 6: Final answer
    x = 10,836,873.40

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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.