Home / 7,068,312.40-10,602,468.60-6,548,681.20

Finding the Fourth Proportional to 7,068,312.40, 10,602,468.60 and 6,548,681.20

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Solution

The fourth proportional to 7,068,312.40, 10,602,468.60 and 6,548,681.20 is: 9,823,021.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068,312.40 : 10,602,468.60 = 6,548,681.20 : x
  2. Step 2: Convert to fraction form
    7,068,312.40/10,602,468.60 = 6,548,681.20/x
  3. Step 3: Cross multiply
    7,068,312.40x = 10,602,468.60 × 6,548,681.20
  4. Step 4: Simplify right side
    7,068,312.40x = 69,432,186,794,410.32
  5. Step 5: Solve for x
    x = 69,432,186,794,410.32/7,068,312.40
  6. Step 6: Final answer
    x = 9,823,021.80

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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.