Finding the Fourth Proportional to 15,109,873.62, 22,671,502.74 and 7,919,698.02
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Solution
The fourth proportional to 15,109,873.62, 22,671,502.74 and 7,919,698.02 is: 11,883,054.74
Step by Step Solution
- Step 1: Write the proportion equation
15,109,873.62 : 22,671,502.74 = 7,919,698.02 : x - Step 2: Convert to fraction form
15,109,873.62/22,671,502.74 = 7,919,698.02/x - Step 3: Cross multiply
15,109,873.62x = 22,671,502.74 × 7,919,698.02 - Step 4: Simplify right side
15,109,873.62x = 179,551,455,360,402.56 - Step 5: Solve for x
x = 179,551,455,360,402.56/15,109,873.62 - Step 6: Final answer
x = 11,883,054.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.