Home / 13,772,220.40-20,657,455.80-4,674,300.40

Finding the Fourth Proportional to 13,772,220.40, 20,657,455.80 and 4,674,300.40

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Solution

The fourth proportional to 13,772,220.40, 20,657,455.80 and 4,674,300.40 is: 7,011,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,772,220.40 : 20,657,455.80 = 4,674,300.40 : x
  2. Step 2: Convert to fraction form
    13,772,220.40/20,657,455.80 = 4,674,300.40/x
  3. Step 3: Cross multiply
    13,772,220.40x = 20,657,455.80 × 4,674,300.40
  4. Step 4: Simplify right side
    13,772,220.40x = 96,559,153,908,922.33
  5. Step 5: Solve for x
    x = 96,559,153,908,922.33/13,772,220.40
  6. Step 6: Final answer
    x = 7,011,153.69

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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.