Home / 10,634,981.40-15,960,345.30-7,039,553.40

Finding the Fourth Proportional to 10,634,981.40, 15,960,345.30 and 7,039,553.40

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Solution

The fourth proportional to 10,634,981.40, 15,960,345.30 and 7,039,553.40 is: 10,564,541.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634,981.40 : 15,960,345.30 = 7,039,553.40 : x
  2. Step 2: Convert to fraction form
    10,634,981.40/15,960,345.30 = 7,039,553.40/x
  3. Step 3: Cross multiply
    10,634,981.40x = 15,960,345.30 × 7,039,553.40
  4. Step 4: Simplify right side
    10,634,981.40x = 112,353,703,021,789.03
  5. Step 5: Solve for x
    x = 112,353,703,021,789.03/10,634,981.40
  6. Step 6: Final answer
    x = 10,564,541.56

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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.