Home / 31,779,038.20-47,668,557.30-8,749,928.20

Finding the Fourth Proportional to 31,779,038.20, 47,668,557.30 and 8,749,928.20

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Solution

The fourth proportional to 31,779,038.20, 47,668,557.30 and 8,749,928.20 is: 13,124,892.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,779,038.20 : 47,668,557.30 = 8,749,928.20 : x
  2. Step 2: Convert to fraction form
    31,779,038.20/47,668,557.30 = 8,749,928.20/x
  3. Step 3: Cross multiply
    31,779,038.20x = 47,668,557.30 × 8,749,928.20
  4. Step 4: Simplify right side
    31,779,038.20x = 417,096,453,772,585.81
  5. Step 5: Solve for x
    x = 417,096,453,772,585.81/31,779,038.20
  6. Step 6: Final answer
    x = 13,124,892.30

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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.