Home / 8,811,030.06-12,159,990.96-5,141,128.98

Finding the Fourth Proportional to 8,811,030.06, 12,159,990.96 and 5,141,128.98

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Solution

The fourth proportional to 8,811,030.06, 12,159,990.96 and 5,141,128.98 is: 7,095,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,811,030.06 : 12,159,990.96 = 5,141,128.98 : x
  2. Step 2: Convert to fraction form
    8,811,030.06/12,159,990.96 = 5,141,128.98/x
  3. Step 3: Cross multiply
    8,811,030.06x = 12,159,990.96 × 5,141,128.98
  4. Step 4: Simplify right side
    8,811,030.06x = 62,516,081,920,994.03
  5. Step 5: Solve for x
    x = 62,516,081,920,994.03/8,811,030.06
  6. Step 6: Final answer
    x = 7,095,206.97

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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.