Home / 10,470,994.80-15,706,492.20-5,680,978.80

Finding the Fourth Proportional to 10,470,994.80, 15,706,492.20 and 5,680,978.80

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Solution

The fourth proportional to 10,470,994.80, 15,706,492.20 and 5,680,978.80 is: 8,521,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470,994.80 : 15,706,492.20 = 5,680,978.80 : x
  2. Step 2: Convert to fraction form
    10,470,994.80/15,706,492.20 = 5,680,978.80/x
  3. Step 3: Cross multiply
    10,470,994.80x = 15,706,492.20 × 5,680,978.80
  4. Step 4: Simplify right side
    10,470,994.80x = 89,228,249,210,565.36
  5. Step 5: Solve for x
    x = 89,228,249,210,565.36/10,470,994.80
  6. Step 6: Final answer
    x = 8,521,468.20

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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.