Home / 27,289,153.90-40,955,122.95-19,038,139.12

Finding the Fourth Proportional to 27,289,153.90, 40,955,122.95 and 19,038,139.12

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Solution

The fourth proportional to 27,289,153.90, 40,955,122.95 and 19,038,139.12 is: 28,572,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289,153.90 : 40,955,122.95 = 19,038,139.12 : x
  2. Step 2: Convert to fraction form
    27,289,153.90/40,955,122.95 = 19,038,139.12/x
  3. Step 3: Cross multiply
    27,289,153.90x = 40,955,122.95 × 19,038,139.12
  4. Step 4: Simplify right side
    27,289,153.90x = 779,709,328,398,804.88
  5. Step 5: Solve for x
    x = 779,709,328,398,804.88/27,289,153.90
  6. Step 6: Final answer
    x = 28,572,132.77

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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.