Home / 7,884,767.60-11,803,531.80-4,688,248.40

Finding the Fourth Proportional to 7,884,767.60, 11,803,531.80 and 4,688,248.40

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Solution

The fourth proportional to 7,884,767.60, 11,803,531.80 and 4,688,248.40 is: 7,018,328.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,767.60 : 11,803,531.80 = 4,688,248.40 : x
  2. Step 2: Convert to fraction form
    7,884,767.60/11,803,531.80 = 4,688,248.40/x
  3. Step 3: Cross multiply
    7,884,767.60x = 11,803,531.80 × 4,688,248.40
  4. Step 4: Simplify right side
    7,884,767.60x = 55,337,889,075,699.12
  5. Step 5: Solve for x
    x = 55,337,889,075,699.12/7,884,767.60
  6. Step 6: Final answer
    x = 7,018,328.49

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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.