Home / 21,557,774.60-32,341,154.70-7,185,307.40

Finding the Fourth Proportional to 21,557,774.60, 32,341,154.70 and 7,185,307.40

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Solution

The fourth proportional to 21,557,774.60, 32,341,154.70 and 7,185,307.40 is: 10,779,458.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,557,774.60 : 32,341,154.70 = 7,185,307.40 : x
  2. Step 2: Convert to fraction form
    21,557,774.60/32,341,154.70 = 7,185,307.40/x
  3. Step 3: Cross multiply
    21,557,774.60x = 32,341,154.70 × 7,185,307.40
  4. Step 4: Simplify right side
    21,557,774.60x = 232,381,138,190,454.78
  5. Step 5: Solve for x
    x = 232,381,138,190,454.78/21,557,774.60
  6. Step 6: Final answer
    x = 10,779,458.57

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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.