Home / 8,438,459.79-11,645,130.39-4,570,980.93

Finding the Fourth Proportional to 8,438,459.79, 11,645,130.39 and 4,570,980.93

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Solution

The fourth proportional to 8,438,459.79, 11,645,130.39 and 4,570,980.93 is: 6,307,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,438,459.79 : 11,645,130.39 = 4,570,980.93 : x
  2. Step 2: Convert to fraction form
    8,438,459.79/11,645,130.39 = 4,570,980.93/x
  3. Step 3: Cross multiply
    8,438,459.79x = 11,645,130.39 × 4,570,980.93
  4. Step 4: Simplify right side
    8,438,459.79x = 53,229,668,940,053.46
  5. Step 5: Solve for x
    x = 53,229,668,940,053.46/8,438,459.79
  6. Step 6: Final answer
    x = 6,307,983.95

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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.