Home / 28,038,056.60-42,060,038.16-11,641,479.32

Finding the Fourth Proportional to 28,038,056.60, 42,060,038.16 and 11,641,479.32

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Solution

The fourth proportional to 28,038,056.60, 42,060,038.16 and 11,641,479.32 is: 17,463,445.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,038,056.60 : 42,060,038.16 = 11,641,479.32 : x
  2. Step 2: Convert to fraction form
    28,038,056.60/42,060,038.16 = 11,641,479.32/x
  3. Step 3: Cross multiply
    28,038,056.60x = 42,060,038.16 × 11,641,479.32
  4. Step 4: Simplify right side
    28,038,056.60x = 489,641,064,438,050.81
  5. Step 5: Solve for x
    x = 489,641,064,438,050.81/28,038,056.60
  6. Step 6: Final answer
    x = 17,463,445.18

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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.