Home / 8,762,415.60-13,143,623.40-8,426,492.40

Finding the Fourth Proportional to 8,762,415.60, 13,143,623.40 and 8,426,492.40

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Solution

The fourth proportional to 8,762,415.60, 13,143,623.40 and 8,426,492.40 is: 12,639,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,762,415.60 : 13,143,623.40 = 8,426,492.40 : x
  2. Step 2: Convert to fraction form
    8,762,415.60/13,143,623.40 = 8,426,492.40/x
  3. Step 3: Cross multiply
    8,762,415.60x = 13,143,623.40 × 8,426,492.40
  4. Step 4: Simplify right side
    8,762,415.60x = 110,754,642,688,562.17
  5. Step 5: Solve for x
    x = 110,754,642,688,562.17/8,762,415.60
  6. Step 6: Final answer
    x = 12,639,738.60

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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.