Finding the Fourth Proportional to 8,736,064.80, 13,098,848.40 and 4,484,536.80
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Solution
The fourth proportional to 8,736,064.80, 13,098,848.40 and 4,484,536.80 is: 6,724,110.80
Step by Step Solution
- Step 1: Write the proportion equation
8,736,064.80 : 13,098,848.40 = 4,484,536.80 : x - Step 2: Convert to fraction form
8,736,064.80/13,098,848.40 = 4,484,536.80/x - Step 3: Cross multiply
8,736,064.80x = 13,098,848.40 × 4,484,536.80 - Step 4: Simplify right side
8,736,064.80x = 58,742,267,687,421.12 - Step 5: Solve for x
x = 58,742,267,687,421.12/8,736,064.80 - Step 6: Final answer
x = 6,724,110.80
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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.