Finding the Fourth Proportional to 37,742,130.57, 56,539,209.18 and 19,558,253.91
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Solution
The fourth proportional to 37,742,130.57, 56,539,209.18 and 19,558,253.91 is: 29,299,040.42
Step by Step Solution
- Step 1: Write the proportion equation
37,742,130.57 : 56,539,209.18 = 19,558,253.91 : x - Step 2: Convert to fraction form
37,742,130.57/56,539,209.18 = 19,558,253.91/x - Step 3: Cross multiply
37,742,130.57x = 56,539,209.18 × 19,558,253.91 - Step 4: Simplify right side
37,742,130.57x = 1,105,808,209,013,042.88 - Step 5: Solve for x
x = 1,105,808,209,013,042.88/37,742,130.57 - Step 6: Final answer
x = 29,299,040.42
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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.