Home / 10,573,428.40-15,842,427.90-9,049,964.20

Finding the Fourth Proportional to 10,573,428.40, 15,842,427.90 and 9,049,964.20

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Solution

The fourth proportional to 10,573,428.40, 15,842,427.90 and 9,049,964.20 is: 13,559,784.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,573,428.40 : 15,842,427.90 = 9,049,964.20 : x
  2. Step 2: Convert to fraction form
    10,573,428.40/15,842,427.90 = 9,049,964.20/x
  3. Step 3: Cross multiply
    10,573,428.40x = 15,842,427.90 × 9,049,964.20
  4. Step 4: Simplify right side
    10,573,428.40x = 143,373,405,336,081.16
  5. Step 5: Solve for x
    x = 143,373,405,336,081.16/10,573,428.40
  6. Step 6: Final answer
    x = 13,559,784.01

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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.