Home / 30,539,194.86-45,808,389.18-7,510,328.40

Finding the Fourth Proportional to 30,539,194.86, 45,808,389.18 and 7,510,328.40

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Solution

The fourth proportional to 30,539,194.86, 45,808,389.18 and 7,510,328.40 is: 11,265,393.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,539,194.86 : 45,808,389.18 = 7,510,328.40 : x
  2. Step 2: Convert to fraction form
    30,539,194.86/45,808,389.18 = 7,510,328.40/x
  3. Step 3: Cross multiply
    30,539,194.86x = 45,808,389.18 × 7,510,328.40
  4. Step 4: Simplify right side
    30,539,194.86x = 344,036,046,216,806.75
  5. Step 5: Solve for x
    x = 344,036,046,216,806.75/30,539,194.86
  6. Step 6: Final answer
    x = 11,265,393.47

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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.