Home / 15,770,886.52-21,764,106.84-9,249,219.76

Finding the Fourth Proportional to 15,770,886.52, 21,764,106.84 and 9,249,219.76

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Solution

The fourth proportional to 15,770,886.52, 21,764,106.84 and 9,249,219.76 is: 12,764,089.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,770,886.52 : 21,764,106.84 = 9,249,219.76 : x
  2. Step 2: Convert to fraction form
    15,770,886.52/21,764,106.84 = 9,249,219.76/x
  3. Step 3: Cross multiply
    15,770,886.52x = 21,764,106.84 × 9,249,219.76
  4. Step 4: Simplify right side
    15,770,886.52x = 201,301,007,043,279.16
  5. Step 5: Solve for x
    x = 201,301,007,043,279.16/15,770,886.52
  6. Step 6: Final answer
    x = 12,764,089.50

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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.