Home / 23,130,783.70-31,920,395.54-12,817,498.62

Finding the Fourth Proportional to 23,130,783.70, 31,920,395.54 and 12,817,498.62

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Solution

The fourth proportional to 23,130,783.70, 31,920,395.54 and 12,817,498.62 is: 17,688,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130,783.70 : 31,920,395.54 = 12,817,498.62 : x
  2. Step 2: Convert to fraction form
    23,130,783.70/31,920,395.54 = 12,817,498.62/x
  3. Step 3: Cross multiply
    23,130,783.70x = 31,920,395.54 × 12,817,498.62
  4. Step 4: Simplify right side
    23,130,783.70x = 409,139,625,783,804.12
  5. Step 5: Solve for x
    x = 409,139,625,783,804.12/23,130,783.70
  6. Step 6: Final answer
    x = 17,688,100.46

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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.