Home / 19,312,401.60-28,972,101.60-9,703,598.40

Finding the Fourth Proportional to 19,312,401.60, 28,972,101.60 and 9,703,598.40

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Solution

The fourth proportional to 19,312,401.60, 28,972,101.60 and 9,703,598.40 is: 14,557,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312,401.60 : 28,972,101.60 = 9,703,598.40 : x
  2. Step 2: Convert to fraction form
    19,312,401.60/28,972,101.60 = 9,703,598.40/x
  3. Step 3: Cross multiply
    19,312,401.60x = 28,972,101.60 × 9,703,598.40
  4. Step 4: Simplify right side
    19,312,401.60x = 281,133,638,730,397.47
  5. Step 5: Solve for x
    x = 281,133,638,730,397.47/19,312,401.60
  6. Step 6: Final answer
    x = 14,557,155.79

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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.