Home / 19,038,696.80-28,558,045.20-18,209,386.40

Finding the Fourth Proportional to 19,038,696.80, 28,558,045.20 and 18,209,386.40

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Solution

The fourth proportional to 19,038,696.80, 28,558,045.20 and 18,209,386.40 is: 27,314,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,038,696.80 : 28,558,045.20 = 18,209,386.40 : x
  2. Step 2: Convert to fraction form
    19,038,696.80/28,558,045.20 = 18,209,386.40/x
  3. Step 3: Cross multiply
    19,038,696.80x = 28,558,045.20 × 18,209,386.40
  4. Step 4: Simplify right side
    19,038,696.80x = 520,024,479,875,465.25
  5. Step 5: Solve for x
    x = 520,024,479,875,465.25/19,038,696.80
  6. Step 6: Final answer
    x = 27,314,079.60

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Similar ratio
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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.