Finding the Fourth Proportional to 15,169,374.93, 22,754,726.85 and 4,387,765.65
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Solution
The fourth proportional to 15,169,374.93, 22,754,726.85 and 4,387,765.65 is: 6,581,840.66
Step by Step Solution
- Step 1: Write the proportion equation
15,169,374.93 : 22,754,726.85 = 4,387,765.65 : x - Step 2: Convert to fraction form
15,169,374.93/22,754,726.85 = 4,387,765.65/x - Step 3: Cross multiply
15,169,374.93x = 22,754,726.85 × 4,387,765.65 - Step 4: Simplify right side
15,169,374.93x = 99,842,408,778,686.61 - Step 5: Solve for x
x = 99,842,408,778,686.61/15,169,374.93 - Step 6: Final answer
x = 6,581,840.66
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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.