Home / 13,357,115.70-20,035,673.55-7,688,411.70

Finding the Fourth Proportional to 13,357,115.70, 20,035,673.55 and 7,688,411.70

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Solution

The fourth proportional to 13,357,115.70, 20,035,673.55 and 7,688,411.70 is: 11,532,617.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,357,115.70 : 20,035,673.55 = 7,688,411.70 : x
  2. Step 2: Convert to fraction form
    13,357,115.70/20,035,673.55 = 7,688,411.70/x
  3. Step 3: Cross multiply
    13,357,115.70x = 20,035,673.55 × 7,688,411.70
  4. Step 4: Simplify right side
    13,357,115.70x = 154,042,506,939,200.53
  5. Step 5: Solve for x
    x = 154,042,506,939,200.53/13,357,115.70
  6. Step 6: Final answer
    x = 11,532,617.55

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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.