Home / 28,099,362.53-42,151,935.12-10,606,653.68

Finding the Fourth Proportional to 28,099,362.53, 42,151,935.12 and 10,606,653.68

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Solution

The fourth proportional to 28,099,362.53, 42,151,935.12 and 10,606,653.68 is: 15,911,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099,362.53 : 42,151,935.12 = 10,606,653.68 : x
  2. Step 2: Convert to fraction form
    28,099,362.53/42,151,935.12 = 10,606,653.68/x
  3. Step 3: Cross multiply
    28,099,362.53x = 42,151,935.12 × 10,606,653.68
  4. Step 4: Simplify right side
    28,099,362.53x = 447,090,977,759,669.19
  5. Step 5: Solve for x
    x = 447,090,977,759,669.19/28,099,362.53
  6. Step 6: Final answer
    x = 15,911,071.91

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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.