Home / 8,646,852.77-12,970,071.35-2,811,030.91

Finding the Fourth Proportional to 8,646,852.77, 12,970,071.35 and 2,811,030.91

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Solution

The fourth proportional to 8,646,852.77, 12,970,071.35 and 2,811,030.91 is: 4,216,478.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,646,852.77 : 12,970,071.35 = 2,811,030.91 : x
  2. Step 2: Convert to fraction form
    8,646,852.77/12,970,071.35 = 2,811,030.91/x
  3. Step 3: Cross multiply
    8,646,852.77x = 12,970,071.35 × 2,811,030.91
  4. Step 4: Simplify right side
    8,646,852.77x = 36,459,271,470,294.79
  5. Step 5: Solve for x
    x = 36,459,271,470,294.79/8,646,852.77
  6. Step 6: Final answer
    x = 4,216,478.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.