Home / 19,068,030.40-28,564,720.80-11,472,433.60

Finding the Fourth Proportional to 19,068,030.40, 28,564,720.80 and 11,472,433.60

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Solution

The fourth proportional to 19,068,030.40, 28,564,720.80 and 11,472,433.60 is: 17,186,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,068,030.40 : 28,564,720.80 = 11,472,433.60 : x
  2. Step 2: Convert to fraction form
    19,068,030.40/28,564,720.80 = 11,472,433.60/x
  3. Step 3: Cross multiply
    19,068,030.40x = 28,564,720.80 × 11,472,433.60
  4. Step 4: Simplify right side
    19,068,030.40x = 327,706,862,680,538.88
  5. Step 5: Solve for x
    x = 327,706,862,680,538.88/19,068,030.40
  6. Step 6: Final answer
    x = 17,186,193.63

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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.