Home / 9,488,705-13,094,393.46-5,137,790

Finding the Fourth Proportional to 9,488,705, 13,094,393.46 and 5,137,790

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Solution

The fourth proportional to 9,488,705, 13,094,393.46 and 5,137,790 is: 7,090,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,488,705 : 13,094,393.46 = 5,137,790 : x
  2. Step 2: Convert to fraction form
    9,488,705/13,094,393.46 = 5,137,790/x
  3. Step 3: Cross multiply
    9,488,705x = 13,094,393.46 × 5,137,790
  4. Step 4: Simplify right side
    9,488,705x = 67,276,243,774,853.41
  5. Step 5: Solve for x
    x = 67,276,243,774,853.41/9,488,705
  6. Step 6: Final answer
    x = 7,090,139.67

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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.