Home / 9,870,156.32-13,615,342.67-5,739,733.45

Finding the Fourth Proportional to 9,870,156.32, 13,615,342.67 and 5,739,733.45

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Solution

The fourth proportional to 9,870,156.32, 13,615,342.67 and 5,739,733.45 is: 7,917,649.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,870,156.32 : 13,615,342.67 = 5,739,733.45 : x
  2. Step 2: Convert to fraction form
    9,870,156.32/13,615,342.67 = 5,739,733.45/x
  3. Step 3: Cross multiply
    9,870,156.32x = 13,615,342.67 × 5,739,733.45
  4. Step 4: Simplify right side
    9,870,156.32x = 78,148,437,736,522.28
  5. Step 5: Solve for x
    x = 78,148,437,736,522.28/9,870,156.32
  6. Step 6: Final answer
    x = 7,917,649.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.