Home / 7,478,752.40-11,216,573.40-3,219,059.60

Finding the Fourth Proportional to 7,478,752.40, 11,216,573.40 and 3,219,059.60

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Solution

The fourth proportional to 7,478,752.40, 11,216,573.40 and 3,219,059.60 is: 4,827,920.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478,752.40 : 11,216,573.40 = 3,219,059.60 : x
  2. Step 2: Convert to fraction form
    7,478,752.40/11,216,573.40 = 3,219,059.60/x
  3. Step 3: Cross multiply
    7,478,752.40x = 11,216,573.40 × 3,219,059.60
  4. Step 4: Simplify right side
    7,478,752.40x = 36,106,818,282,374.64
  5. Step 5: Solve for x
    x = 36,106,818,282,374.64/7,478,752.40
  6. Step 6: Final answer
    x = 4,827,920.00

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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.