Home / 30,985,731.40-46,480,346.70-9,421,036.60

Finding the Fourth Proportional to 30,985,731.40, 46,480,346.70 and 9,421,036.60

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Solution

The fourth proportional to 30,985,731.40, 46,480,346.70 and 9,421,036.60 is: 14,132,086.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,985,731.40 : 46,480,346.70 = 9,421,036.60 : x
  2. Step 2: Convert to fraction form
    30,985,731.40/46,480,346.70 = 9,421,036.60/x
  3. Step 3: Cross multiply
    30,985,731.40x = 46,480,346.70 × 9,421,036.60
  4. Step 4: Simplify right side
    30,985,731.40x = 437,893,047,441,389.25
  5. Step 5: Solve for x
    x = 437,893,047,441,389.25/30,985,731.40
  6. Step 6: Final answer
    x = 14,132,086.86

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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.