Home / 12,830,999.76-17,706,779.28-7,030,001.52

Finding the Fourth Proportional to 12,830,999.76, 17,706,779.28 and 7,030,001.52

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Solution

The fourth proportional to 12,830,999.76, 17,706,779.28 and 7,030,001.52 is: 9,701,401.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,830,999.76 : 17,706,779.28 = 7,030,001.52 : x
  2. Step 2: Convert to fraction form
    12,830,999.76/17,706,779.28 = 7,030,001.52/x
  3. Step 3: Cross multiply
    12,830,999.76x = 17,706,779.28 × 7,030,001.52
  4. Step 4: Simplify right side
    12,830,999.76x = 124,478,685,252,704.50
  5. Step 5: Solve for x
    x = 124,478,685,252,704.50/12,830,999.76
  6. Step 6: Final answer
    x = 9,701,401.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.