Home / 15,303,654.40-21,118,233.60-8,776,946.56

Finding the Fourth Proportional to 15,303,654.40, 21,118,233.60 and 8,776,946.56

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Solution

The fourth proportional to 15,303,654.40, 21,118,233.60 and 8,776,946.56 is: 12,111,722.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,654.40 : 21,118,233.60 = 8,776,946.56 : x
  2. Step 2: Convert to fraction form
    15,303,654.40/21,118,233.60 = 8,776,946.56/x
  3. Step 3: Cross multiply
    15,303,654.40x = 21,118,233.60 × 8,776,946.56
  4. Step 4: Simplify right side
    15,303,654.40x = 185,353,607,748,796.44
  5. Step 5: Solve for x
    x = 185,353,607,748,796.44/15,303,654.40
  6. Step 6: Final answer
    x = 12,111,722.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.