Home / 30,343,358.80-45,515,038.20-9,875,007.10

Finding the Fourth Proportional to 30,343,358.80, 45,515,038.20 and 9,875,007.10

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Solution

The fourth proportional to 30,343,358.80, 45,515,038.20 and 9,875,007.10 is: 14,812,510.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,343,358.80 : 45,515,038.20 = 9,875,007.10 : x
  2. Step 2: Convert to fraction form
    30,343,358.80/45,515,038.20 = 9,875,007.10/x
  3. Step 3: Cross multiply
    30,343,358.80x = 45,515,038.20 × 9,875,007.10
  4. Step 4: Simplify right side
    30,343,358.80x = 449,461,325,381,771.25
  5. Step 5: Solve for x
    x = 449,461,325,381,771.25/30,343,358.80
  6. Step 6: Final answer
    x = 14,812,510.65

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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.