Home / 28,877,575.21-43,316,461.67-7,312,166.89

Finding the Fourth Proportional to 28,877,575.21, 43,316,461.67 and 7,312,166.89

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Solution

The fourth proportional to 28,877,575.21, 43,316,461.67 and 7,312,166.89 is: 10,968,275.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,877,575.21 : 43,316,461.67 = 7,312,166.89 : x
  2. Step 2: Convert to fraction form
    28,877,575.21/43,316,461.67 = 7,312,166.89/x
  3. Step 3: Cross multiply
    28,877,575.21x = 43,316,461.67 × 7,312,166.89
  4. Step 4: Simplify right side
    28,877,575.21x = 316,737,196,670,476.12
  5. Step 5: Solve for x
    x = 316,737,196,670,476.12/28,877,575.21
  6. Step 6: Final answer
    x = 10,968,275.36

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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.