Home / 30,881,784.90-46,339,266.15-12,932,703.30

Finding the Fourth Proportional to 30,881,784.90, 46,339,266.15 and 12,932,703.30

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Solution

The fourth proportional to 30,881,784.90, 46,339,266.15 and 12,932,703.30 is: 19,406,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,784.90 : 46,339,266.15 = 12,932,703.30 : x
  2. Step 2: Convert to fraction form
    30,881,784.90/46,339,266.15 = 12,932,703.30/x
  3. Step 3: Cross multiply
    30,881,784.90x = 46,339,266.15 × 12,932,703.30
  4. Step 4: Simplify right side
    30,881,784.90x = 599,291,980,257,683.25
  5. Step 5: Solve for x
    x = 599,291,980,257,683.25/30,881,784.90
  6. Step 6: Final answer
    x = 19,406,002.02

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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.