Home / 7,130,603.10-10,695,904.65-2,081,913.60

Finding the Fourth Proportional to 7,130,603.10, 10,695,904.65 and 2,081,913.60

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Solution

The fourth proportional to 7,130,603.10, 10,695,904.65 and 2,081,913.60 is: 3,122,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,603.10 : 10,695,904.65 = 2,081,913.60 : x
  2. Step 2: Convert to fraction form
    7,130,603.10/10,695,904.65 = 2,081,913.60/x
  3. Step 3: Cross multiply
    7,130,603.10x = 10,695,904.65 × 2,081,913.60
  4. Step 4: Simplify right side
    7,130,603.10x = 22,267,949,355,138.24
  5. Step 5: Solve for x
    x = 22,267,949,355,138.24/7,130,603.10
  6. Step 6: Final answer
    x = 3,122,870.40

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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.