Home / 9,966,603.70-14,949,905.55-5,661,931.60

Finding the Fourth Proportional to 9,966,603.70, 14,949,905.55 and 5,661,931.60

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Solution

The fourth proportional to 9,966,603.70, 14,949,905.55 and 5,661,931.60 is: 8,492,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,603.70 : 14,949,905.55 = 5,661,931.60 : x
  2. Step 2: Convert to fraction form
    9,966,603.70/14,949,905.55 = 5,661,931.60/x
  3. Step 3: Cross multiply
    9,966,603.70x = 14,949,905.55 × 5,661,931.60
  4. Step 4: Simplify right side
    9,966,603.70x = 84,645,342,650,560.38
  5. Step 5: Solve for x
    x = 84,645,342,650,560.38/9,966,603.70
  6. Step 6: Final answer
    x = 8,492,897.40

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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.