Home / 7,318,559.16-10,977,007.80-1,927,631.40

Finding the Fourth Proportional to 7,318,559.16, 10,977,007.80 and 1,927,631.40

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Solution

The fourth proportional to 7,318,559.16, 10,977,007.80 and 1,927,631.40 is: 2,891,228.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318,559.16 : 10,977,007.80 = 1,927,631.40 : x
  2. Step 2: Convert to fraction form
    7,318,559.16/10,977,007.80 = 1,927,631.40/x
  3. Step 3: Cross multiply
    7,318,559.16x = 10,977,007.80 × 1,927,631.40
  4. Step 4: Simplify right side
    7,318,559.16x = 21,159,624,913,324.92
  5. Step 5: Solve for x
    x = 21,159,624,913,324.92/7,318,559.16
  6. Step 6: Final answer
    x = 2,891,228.24

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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.