Finding the Fourth Proportional to 13,225,498.72, 19,808,044.64 and 6,313,839.93
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Solution
The fourth proportional to 13,225,498.72, 19,808,044.64 and 6,313,839.93 is: 9,456,340.80
Step by Step Solution
- Step 1: Write the proportion equation
13,225,498.72 : 19,808,044.64 = 6,313,839.93 : x - Step 2: Convert to fraction form
13,225,498.72/19,808,044.64 = 6,313,839.93/x - Step 3: Cross multiply
13,225,498.72x = 19,808,044.64 × 6,313,839.93 - Step 4: Simplify right side
13,225,498.72x = 125,064,823,183,254.47 - Step 5: Solve for x
x = 125,064,823,183,254.47/13,225,498.72 - Step 6: Final answer
x = 9,456,340.80
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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.