Home / 7,280,603.60-10,927,903.80-3,690,424.40

Finding the Fourth Proportional to 7,280,603.60, 10,927,903.80 and 3,690,424.40

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Solution

The fourth proportional to 7,280,603.60, 10,927,903.80 and 3,690,424.40 is: 5,539,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280,603.60 : 10,927,903.80 = 3,690,424.40 : x
  2. Step 2: Convert to fraction form
    7,280,603.60/10,927,903.80 = 3,690,424.40/x
  3. Step 3: Cross multiply
    7,280,603.60x = 10,927,903.80 × 3,690,424.40
  4. Step 4: Simplify right side
    7,280,603.60x = 40,328,602,824,372.72
  5. Step 5: Solve for x
    x = 40,328,602,824,372.72/7,280,603.60
  6. Step 6: Final answer
    x = 5,539,183.98

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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.