Home / 14,784,278.40-22,176,417.60-7,216,099.20

Finding the Fourth Proportional to 14,784,278.40, 22,176,417.60 and 7,216,099.20

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Solution

The fourth proportional to 14,784,278.40, 22,176,417.60 and 7,216,099.20 is: 10,824,148.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,784,278.40 : 22,176,417.60 = 7,216,099.20 : x
  2. Step 2: Convert to fraction form
    14,784,278.40/22,176,417.60 = 7,216,099.20/x
  3. Step 3: Cross multiply
    14,784,278.40x = 22,176,417.60 × 7,216,099.20
  4. Step 4: Simplify right side
    14,784,278.40x = 160,027,229,302,225.94
  5. Step 5: Solve for x
    x = 160,027,229,302,225.94/14,784,278.40
  6. Step 6: Final answer
    x = 10,824,148.80

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1.5x scale

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.