Home / 13,165,288.08-19,740,831.48-5,972,897.40

Finding the Fourth Proportional to 13,165,288.08, 19,740,831.48 and 5,972,897.40

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Solution

The fourth proportional to 13,165,288.08, 19,740,831.48 and 5,972,897.40 is: 8,956,124.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,288.08 : 19,740,831.48 = 5,972,897.40 : x
  2. Step 2: Convert to fraction form
    13,165,288.08/19,740,831.48 = 5,972,897.40/x
  3. Step 3: Cross multiply
    13,165,288.08x = 19,740,831.48 × 5,972,897.40
  4. Step 4: Simplify right side
    13,165,288.08x = 117,909,961,020,730.16
  5. Step 5: Solve for x
    x = 117,909,961,020,730.16/13,165,288.08
  6. Step 6: Final answer
    x = 8,956,124.64

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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.