Home / 9,829,528.68-13,564,812.55-5,478,890.86

Finding the Fourth Proportional to 9,829,528.68, 13,564,812.55 and 5,478,890.86

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Solution

The fourth proportional to 9,829,528.68, 13,564,812.55 and 5,478,890.86 is: 7,560,904.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,829,528.68 : 13,564,812.55 = 5,478,890.86 : x
  2. Step 2: Convert to fraction form
    9,829,528.68/13,564,812.55 = 5,478,890.86/x
  3. Step 3: Cross multiply
    9,829,528.68x = 13,564,812.55 × 5,478,890.86
  4. Step 4: Simplify right side
    9,829,528.68x = 74,320,127,497,808.30
  5. Step 5: Solve for x
    x = 74,320,127,497,808.30/9,829,528.68
  6. Step 6: Final answer
    x = 7,560,904.49

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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.