Home / 30,502,040.89-42,077,252.09-19,477,198.93

Finding the Fourth Proportional to 30,502,040.89, 42,077,252.09 and 19,477,198.93

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Solution

The fourth proportional to 30,502,040.89, 42,077,252.09 and 19,477,198.93 is: 26,868,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502,040.89 : 42,077,252.09 = 19,477,198.93 : x
  2. Step 2: Convert to fraction form
    30,502,040.89/42,077,252.09 = 19,477,198.93/x
  3. Step 3: Cross multiply
    30,502,040.89x = 42,077,252.09 × 19,477,198.93
  4. Step 4: Simplify right side
    30,502,040.89x = 819,547,009,328,188.12
  5. Step 5: Solve for x
    x = 819,547,009,328,188.12/30,502,040.89
  6. Step 6: Final answer
    x = 26,868,595.85

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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.