Home / 15,303,656.40-21,118,236.36-8,776,948.56

Finding the Fourth Proportional to 15,303,656.40, 21,118,236.36 and 8,776,948.56

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Solution

The fourth proportional to 15,303,656.40, 21,118,236.36 and 8,776,948.56 is: 12,111,724.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,656.40 : 21,118,236.36 = 8,776,948.56 : x
  2. Step 2: Convert to fraction form
    15,303,656.40/21,118,236.36 = 8,776,948.56/x
  3. Step 3: Cross multiply
    15,303,656.40x = 21,118,236.36 × 8,776,948.56
  4. Step 4: Simplify right side
    15,303,656.40x = 185,353,674,209,641.66
  5. Step 5: Solve for x
    x = 185,353,674,209,641.66/15,303,656.40
  6. Step 6: Final answer
    x = 12,111,724.76

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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.