Home / 19,781,762.70-29,681,501.40-8,993,510.40

Finding the Fourth Proportional to 19,781,762.70, 29,681,501.40 and 8,993,510.40

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Solution

The fourth proportional to 19,781,762.70, 29,681,501.40 and 8,993,510.40 is: 13,494,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,781,762.70 : 29,681,501.40 = 8,993,510.40 : x
  2. Step 2: Convert to fraction form
    19,781,762.70/29,681,501.40 = 8,993,510.40/x
  3. Step 3: Cross multiply
    19,781,762.70x = 29,681,501.40 × 8,993,510.40
  4. Step 4: Simplify right side
    19,781,762.70x = 266,940,891,528,514.56
  5. Step 5: Solve for x
    x = 266,940,891,528,514.56/19,781,762.70
  6. Step 6: Final answer
    x = 13,494,292.47

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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.