Home / 19,685,390.40-29,528,085.60-18,092,865.60

Finding the Fourth Proportional to 19,685,390.40, 29,528,085.60 and 18,092,865.60

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Solution

The fourth proportional to 19,685,390.40, 29,528,085.60 and 18,092,865.60 is: 27,139,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,685,390.40 : 29,528,085.60 = 18,092,865.60 : x
  2. Step 2: Convert to fraction form
    19,685,390.40/29,528,085.60 = 18,092,865.60/x
  3. Step 3: Cross multiply
    19,685,390.40x = 29,528,085.60 × 18,092,865.60
  4. Step 4: Simplify right side
    19,685,390.40x = 534,247,684,186,095.44
  5. Step 5: Solve for x
    x = 534,247,684,186,095.44/19,685,390.40
  6. Step 6: Final answer
    x = 27,139,298.40

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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.