Home / 7,113,596.37-9,818,602.28-4,638,985.21

Finding the Fourth Proportional to 7,113,596.37, 9,818,602.28 and 4,638,985.21

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Solution

The fourth proportional to 7,113,596.37, 9,818,602.28 and 4,638,985.21 is: 6,402,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,596.37 : 9,818,602.28 = 4,638,985.21 : x
  2. Step 2: Convert to fraction form
    7,113,596.37/9,818,602.28 = 4,638,985.21/x
  3. Step 3: Cross multiply
    7,113,596.37x = 9,818,602.28 × 4,638,985.21
  4. Step 4: Simplify right side
    7,113,596.37x = 45,548,350,759,792.27
  5. Step 5: Solve for x
    x = 45,548,350,759,792.27/7,113,596.37
  6. Step 6: Final answer
    x = 6,402,999.04

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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.