Home / 13,812,498.02-20,720,637.88-4,712,152.28

Finding the Fourth Proportional to 13,812,498.02, 20,720,637.88 and 4,712,152.28

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Solution

The fourth proportional to 13,812,498.02, 20,720,637.88 and 4,712,152.28 is: 7,068,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812,498.02 : 20,720,637.88 = 4,712,152.28 : x
  2. Step 2: Convert to fraction form
    13,812,498.02/20,720,637.88 = 4,712,152.28/x
  3. Step 3: Cross multiply
    13,812,498.02x = 20,720,637.88 × 4,712,152.28
  4. Step 4: Simplify right side
    13,812,498.02x = 97,638,800,913,912.81
  5. Step 5: Solve for x
    x = 97,638,800,913,912.81/13,812,498.02
  6. Step 6: Final answer
    x = 7,068,873.48

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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.