Home / 19,849,313.60-29,773,970.40-9,771,617.60

Finding the Fourth Proportional to 19,849,313.60, 29,773,970.40 and 9,771,617.60

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Solution

The fourth proportional to 19,849,313.60, 29,773,970.40 and 9,771,617.60 is: 14,657,426.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849,313.60 : 29,773,970.40 = 9,771,617.60 : x
  2. Step 2: Convert to fraction form
    19,849,313.60/29,773,970.40 = 9,771,617.60/x
  3. Step 3: Cross multiply
    19,849,313.60x = 29,773,970.40 × 9,771,617.60
  4. Step 4: Simplify right side
    19,849,313.60x = 290,939,853,182,519
  5. Step 5: Solve for x
    x = 290,939,853,182,519/19,849,313.60
  6. Step 6: Final answer
    x = 14,657,426.40

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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.