Home / 30,621,038.80-45,931,558.20-27,786,686.80

Finding the Fourth Proportional to 30,621,038.80, 45,931,558.20 and 27,786,686.80

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Solution

The fourth proportional to 30,621,038.80, 45,931,558.20 and 27,786,686.80 is: 41,680,030.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621,038.80 : 45,931,558.20 = 27,786,686.80 : x
  2. Step 2: Convert to fraction form
    30,621,038.80/45,931,558.20 = 27,786,686.80/x
  3. Step 3: Cross multiply
    30,621,038.80x = 45,931,558.20 × 27,786,686.80
  4. Step 4: Simplify right side
    30,621,038.80x = 1,276,285,821,939,372
  5. Step 5: Solve for x
    x = 1,276,285,821,939,372/30,621,038.80
  6. Step 6: Final answer
    x = 41,680,030.20

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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.