Home / 19,935,783.20-29,903,674.80-13,133,338.40

Finding the Fourth Proportional to 19,935,783.20, 29,903,674.80 and 13,133,338.40

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Solution

The fourth proportional to 19,935,783.20, 29,903,674.80 and 13,133,338.40 is: 19,700,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935,783.20 : 29,903,674.80 = 13,133,338.40 : x
  2. Step 2: Convert to fraction form
    19,935,783.20/29,903,674.80 = 13,133,338.40/x
  3. Step 3: Cross multiply
    19,935,783.20x = 29,903,674.80 × 13,133,338.40
  4. Step 4: Simplify right side
    19,935,783.20x = 392,735,080,551,952.31
  5. Step 5: Solve for x
    x = 392,735,080,551,952.31/19,935,783.20
  6. Step 6: Final answer
    x = 19,700,007.60

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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.