Home / 27,289,154.90-40,955,124.45-19,038,140.12

Finding the Fourth Proportional to 27,289,154.90, 40,955,124.45 and 19,038,140.12

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Solution

The fourth proportional to 27,289,154.90, 40,955,124.45 and 19,038,140.12 is: 28,572,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,289,154.90 : 40,955,124.45 = 19,038,140.12 : x
  2. Step 2: Convert to fraction form
    27,289,154.90/40,955,124.45 = 19,038,140.12/x
  3. Step 3: Cross multiply
    27,289,154.90x = 40,955,124.45 × 19,038,140.12
  4. Step 4: Simplify right side
    27,289,154.90x = 779,709,397,911,138
  5. Step 5: Solve for x
    x = 779,709,397,911,138/27,289,154.90
  6. Step 6: Final answer
    x = 28,572,134.27

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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.