Home / 9,488,700-13,094,386.56-5,137,785

Finding the Fourth Proportional to 9,488,700, 13,094,386.56 and 5,137,785

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Solution

The fourth proportional to 9,488,700, 13,094,386.56 and 5,137,785 is: 7,090,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,488,700 : 13,094,386.56 = 5,137,785 : x
  2. Step 2: Convert to fraction form
    9,488,700/13,094,386.56 = 5,137,785/x
  3. Step 3: Cross multiply
    9,488,700x = 13,094,386.56 × 5,137,785
  4. Step 4: Simplify right side
    9,488,700x = 67,276,142,852,169.60
  5. Step 5: Solve for x
    x = 67,276,142,852,169.60/9,488,700
  6. Step 6: Final answer
    x = 7,090,132.77

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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.