Finding the Fourth Proportional to 26,133,432.55, 39,197,594.47 and 7,937,785.74
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Solution
The fourth proportional to 26,133,432.55, 39,197,594.47 and 7,937,785.74 is: 11,905,902.75
Step by Step Solution
- Step 1: Write the proportion equation
26,133,432.55 : 39,197,594.47 = 7,937,785.74 : x - Step 2: Convert to fraction form
26,133,432.55/39,197,594.47 = 7,937,785.74/x - Step 3: Cross multiply
26,133,432.55x = 39,197,594.47 × 7,937,785.74 - Step 4: Simplify right side
26,133,432.55x = 311,142,106,426,268.88 - Step 5: Solve for x
x = 311,142,106,426,268.88/26,133,432.55 - Step 6: Final answer
x = 11,905,902.75
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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.