Finding the Fourth Proportional to 19,248,807.87, 28,872,474.47 and 6,477,152.19
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Solution
The fourth proportional to 19,248,807.87, 28,872,474.47 and 6,477,152.19 is: 9,715,480.17
Step by Step Solution
- Step 1: Write the proportion equation
19,248,807.87 : 28,872,474.47 = 6,477,152.19 : x - Step 2: Convert to fraction form
19,248,807.87/28,872,474.47 = 6,477,152.19/x - Step 3: Cross multiply
19,248,807.87x = 28,872,474.47 × 6,477,152.19 - Step 4: Simplify right side
19,248,807.87x = 187,011,411,211,693.84 - Step 5: Solve for x
x = 187,011,411,211,693.84/19,248,807.87 - Step 6: Final answer
x = 9,715,480.17
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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.