Home / 19,085,470.40-28,609,543.20-17,069,931.20

Finding the Fourth Proportional to 19,085,470.40, 28,609,543.20 and 17,069,931.20

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Solution

The fourth proportional to 19,085,470.40, 28,609,543.20 and 17,069,931.20 is: 25,588,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085,470.40 : 28,609,543.20 = 17,069,931.20 : x
  2. Step 2: Convert to fraction form
    19,085,470.40/28,609,543.20 = 17,069,931.20/x
  3. Step 3: Cross multiply
    19,085,470.40x = 28,609,543.20 × 17,069,931.20
  4. Step 4: Simplify right side
    19,085,470.40x = 488,362,934,087,427.81
  5. Step 5: Solve for x
    x = 488,362,934,087,427.81/19,085,470.40
  6. Step 6: Final answer
    x = 25,588,205.26

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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.