Home / 13,307,820.18-19,970,646.93-4,671,946.28

Finding the Fourth Proportional to 13,307,820.18, 19,970,646.93 and 4,671,946.28

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Solution

The fourth proportional to 13,307,820.18, 19,970,646.93 and 4,671,946.28 is: 7,011,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307,820.18 : 19,970,646.93 = 4,671,946.28 : x
  2. Step 2: Convert to fraction form
    13,307,820.18/19,970,646.93 = 4,671,946.28/x
  3. Step 3: Cross multiply
    13,307,820.18x = 19,970,646.93 × 4,671,946.28
  4. Step 4: Simplify right side
    13,307,820.18x = 93,301,789,683,733.53
  5. Step 5: Solve for x
    x = 93,301,789,683,733.53/13,307,820.18
  6. Step 6: Final answer
    x = 7,011,049.78

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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.