Home / 15,303,559.67-21,118,705.05-8,688,088.01

Finding the Fourth Proportional to 15,303,559.67, 21,118,705.05 and 8,688,088.01

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Solution

The fourth proportional to 15,303,559.67, 21,118,705.05 and 8,688,088.01 is: 11,989,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,303,559.67 : 21,118,705.05 = 8,688,088.01 : x
  2. Step 2: Convert to fraction form
    15,303,559.67/21,118,705.05 = 8,688,088.01/x
  3. Step 3: Cross multiply
    15,303,559.67x = 21,118,705.05 × 8,688,088.01
  4. Step 4: Simplify right side
    15,303,559.67x = 183,481,167,982,597.53
  5. Step 5: Solve for x
    x = 183,481,167,982,597.53/15,303,559.67
  6. Step 6: Final answer
    x = 11,989,443.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.