Finding the Fourth Proportional to 13,376,585.36, 20,038,756.39 and 6,355,709.12
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Solution
The fourth proportional to 13,376,585.36, 20,038,756.39 and 6,355,709.12 is: 9,521,152.32
Step by Step Solution
- Step 1: Write the proportion equation
13,376,585.36 : 20,038,756.39 = 6,355,709.12 : x - Step 2: Convert to fraction form
13,376,585.36/20,038,756.39 = 6,355,709.12/x - Step 3: Cross multiply
13,376,585.36x = 20,038,756.39 × 6,355,709.12 - Step 4: Simplify right side
13,376,585.36x = 127,360,506,724,277.47 - Step 5: Solve for x
x = 127,360,506,724,277.47/13,376,585.36 - Step 6: Final answer
x = 9,521,152.32
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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.