Home / 7,139,582.60-9,860,736.15-4,812,461.51

Finding the Fourth Proportional to 7,139,582.60, 9,860,736.15 and 4,812,461.51

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Solution

The fourth proportional to 7,139,582.60, 9,860,736.15 and 4,812,461.51 is: 6,646,664.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,582.60 : 9,860,736.15 = 4,812,461.51 : x
  2. Step 2: Convert to fraction form
    7,139,582.60/9,860,736.15 = 4,812,461.51/x
  3. Step 3: Cross multiply
    7,139,582.60x = 9,860,736.15 × 4,812,461.51
  4. Step 4: Simplify right side
    7,139,582.60x = 47,454,413,132,836.91
  5. Step 5: Solve for x
    x = 47,454,413,132,836.91/7,139,582.60
  6. Step 6: Final answer
    x = 6,646,664.91

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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.