Home / 31,030,849.16-42,849,650.40-19,448,322.20

Finding the Fourth Proportional to 31,030,849.16, 42,849,650.40 and 19,448,322.20

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Solution

The fourth proportional to 31,030,849.16, 42,849,650.40 and 19,448,322.20 is: 26,855,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,030,849.16 : 42,849,650.40 = 19,448,322.20 : x
  2. Step 2: Convert to fraction form
    31,030,849.16/42,849,650.40 = 19,448,322.20/x
  3. Step 3: Cross multiply
    31,030,849.16x = 42,849,650.40 × 19,448,322.20
  4. Step 4: Simplify right side
    31,030,849.16x = 833,353,807,136,558.88
  5. Step 5: Solve for x
    x = 833,353,807,136,558.88/31,030,849.16
  6. Step 6: Final answer
    x = 26,855,655.89

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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.