Home / 30,562,801.40-42,176,430.06-16,811,463.80

Finding the Fourth Proportional to 30,562,801.40, 42,176,430.06 and 16,811,463.80

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Solution

The fourth proportional to 30,562,801.40, 42,176,430.06 and 16,811,463.80 is: 23,199,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,562,801.40 : 42,176,430.06 = 16,811,463.80 : x
  2. Step 2: Convert to fraction form
    30,562,801.40/42,176,430.06 = 16,811,463.80/x
  3. Step 3: Cross multiply
    30,562,801.40x = 42,176,430.06 × 16,811,463.80
  4. Step 4: Simplify right side
    30,562,801.40x = 709,047,527,166,921.88
  5. Step 5: Solve for x
    x = 709,047,527,166,921.88/30,562,801.40
  6. Step 6: Final answer
    x = 23,199,690.30

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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.