Home / 31,030,847.16-42,849,647.64-19,448,320.20

Finding the Fourth Proportional to 31,030,847.16, 42,849,647.64 and 19,448,320.20

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Solution

The fourth proportional to 31,030,847.16, 42,849,647.64 and 19,448,320.20 is: 26,855,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,847.16 : 42,849,647.64 = 19,448,320.20 : x
  2. Step 2: Convert to fraction form
    31,030,847.16/42,849,647.64 = 19,448,320.20/x
  3. Step 3: Cross multiply
    31,030,847.16x = 42,849,647.64 × 19,448,320.20
  4. Step 4: Simplify right side
    31,030,847.16x = 833,353,667,759,894.25
  5. Step 5: Solve for x
    x = 833,353,667,759,894.25/31,030,847.16
  6. Step 6: Final answer
    x = 26,855,653.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.